Home / 63,942-139,125

Finding the Third Proportional to 63,942 and 139,125

Calculator

Solution

The third proportional to 63,942 and 139,125 is: 302,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,942 : 139,125 = 139,125 : x
  2. Step 2: Convert to fraction form
    63,942/139,125 = 139,125/x
  3. Step 3: Cross multiply
    63,942x = 139,125 × 139,125
  4. Step 4: Simplify right side
    63,942x = 19,355,765,625
  5. Step 5: Solve for x
    x = 19,355,765,625/63,942
  6. Step 6: Final answer
    x = 302,708.17

Related Problems

Find third proportional to 31,971 and 69,562.50
Half scale
Find third proportional to 127,884 and 278,250
Double scale
Find third proportional to 63,944 and 139,129
Similar ratio
Find third proportional to 95,913 and 208,687.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.