Home / 12,890,896-18,642,477

Finding the Third Proportional to 12,890,896 and 18,642,477

Calculator

Solution

The third proportional to 12,890,896 and 18,642,477 is: 26,960,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890,896 : 18,642,477 = 18,642,477 : x
  2. Step 2: Convert to fraction form
    12,890,896/18,642,477 = 18,642,477/x
  3. Step 3: Cross multiply
    12,890,896x = 18,642,477 × 18,642,477
  4. Step 4: Simplify right side
    12,890,896x = 347,541,948,695,529
  5. Step 5: Solve for x
    x = 347,541,948,695,529/12,890,896
  6. Step 6: Final answer
    x = 26,960,263.17

Related Problems

Find third proportional to 6,445,448 and 9,321,238.50
Half scale
Find third proportional to 25,781,792 and 37,284,954
Double scale
Find third proportional to 12,890,898 and 18,642,480
Similar ratio
Find third proportional to 19,336,344 and 27,963,715.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.