Home / 63,136-139,448

Finding the Third Proportional to 63,136 and 139,448

Calculator

Solution

The third proportional to 63,136 and 139,448 is: 307,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,136 : 139,448 = 139,448 : x
  2. Step 2: Convert to fraction form
    63,136/139,448 = 139,448/x
  3. Step 3: Cross multiply
    63,136x = 139,448 × 139,448
  4. Step 4: Simplify right side
    63,136x = 19,445,744,704
  5. Step 5: Solve for x
    x = 19,445,744,704/63,136
  6. Step 6: Final answer
    x = 307,997.73

Related Problems

Find third proportional to 31,568 and 69,724
Half scale
Find third proportional to 126,272 and 278,896
Double scale
Find third proportional to 63,138 and 139,452
Similar ratio
Find third proportional to 94,704 and 209,172
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.