Home / 63,894-138,942

Finding the Third Proportional to 63,894 and 138,942

Calculator

Solution

The third proportional to 63,894 and 138,942 is: 302,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,894 : 138,942 = 138,942 : x
  2. Step 2: Convert to fraction form
    63,894/138,942 = 138,942/x
  3. Step 3: Cross multiply
    63,894x = 138,942 × 138,942
  4. Step 4: Simplify right side
    63,894x = 19,304,879,364
  5. Step 5: Solve for x
    x = 19,304,879,364/63,894
  6. Step 6: Final answer
    x = 302,139.16

Related Problems

Find third proportional to 31,947 and 69,471
Half scale
Find third proportional to 127,788 and 277,884
Double scale
Find third proportional to 63,896 and 138,946
Similar ratio
Find third proportional to 95,841 and 208,413
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.