Home / 100,695,790-216,885,791.50

Finding the Third Proportional to 100,695,790 and 216,885,791.50

Calculator

Solution

The third proportional to 100,695,790 and 216,885,791.50 is: 467,144,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,695,790 : 216,885,791.50 = 216,885,791.50 : x
  2. Step 2: Convert to fraction form
    100,695,790/216,885,791.50 = 216,885,791.50/x
  3. Step 3: Cross multiply
    100,695,790x = 216,885,791.50 × 216,885,791.50
  4. Step 4: Simplify right side
    100,695,790x = 47,039,446,554,581,472
  5. Step 5: Solve for x
    x = 47,039,446,554,581,472/100,695,790
  6. Step 6: Final answer
    x = 467,144,123.45

Related Problems

Find third proportional to 50,347,895 and 108,442,895.75
Half scale
Find third proportional to 201,391,580 and 433,771,583
Double scale
Find third proportional to 100,695,792 and 216,885,796
Similar ratio
Find third proportional to 151,043,685 and 325,328,687.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.