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Finding the Third Proportional to 39,605,356.50 and 63,019,906.50

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Solution

The third proportional to 39,605,356.50 and 63,019,906.50 is: 100,277,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,605,356.50 : 63,019,906.50 = 63,019,906.50 : x
  2. Step 2: Convert to fraction form
    39,605,356.50/63,019,906.50 = 63,019,906.50/x
  3. Step 3: Cross multiply
    39,605,356.50x = 63,019,906.50 × 63,019,906.50
  4. Step 4: Simplify right side
    39,605,356.50x = 3,971,508,615,268,742
  5. Step 5: Solve for x
    x = 3,971,508,615,268,742/39,605,356.50
  6. Step 6: Final answer
    x = 100,277,057.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.