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Finding the Third Proportional to 39,050,316 and 81,332,788.50

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Solution

The third proportional to 39,050,316 and 81,332,788.50 is: 169,397,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,050,316 : 81,332,788.50 = 81,332,788.50 : x
  2. Step 2: Convert to fraction form
    39,050,316/81,332,788.50 = 81,332,788.50/x
  3. Step 3: Cross multiply
    39,050,316x = 81,332,788.50 × 81,332,788.50
  4. Step 4: Simplify right side
    39,050,316x = 6,615,022,485,185,732
  5. Step 5: Solve for x
    x = 6,615,022,485,185,732/39,050,316
  6. Step 6: Final answer
    x = 169,397,412.44

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.