Home / 103,660-213,862

Finding the Third Proportional to 103,660 and 213,862

Calculator

Solution

The third proportional to 103,660 and 213,862 is: 441,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660 : 213,862 = 213,862 : x
  2. Step 2: Convert to fraction form
    103,660/213,862 = 213,862/x
  3. Step 3: Cross multiply
    103,660x = 213,862 × 213,862
  4. Step 4: Simplify right side
    103,660x = 45,736,955,044
  5. Step 5: Solve for x
    x = 45,736,955,044/103,660
  6. Step 6: Final answer
    x = 441,220.87

Related Problems

Find third proportional to 51,830 and 106,931
Half scale
Find third proportional to 207,320 and 427,724
Double scale
Find third proportional to 103,662 and 213,866
Similar ratio
Find third proportional to 155,490 and 320,793
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.