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Finding the Third Proportional to 28,207,288 and 61,109,744

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Solution

The third proportional to 28,207,288 and 61,109,744 is: 132,391,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207,288 : 61,109,744 = 61,109,744 : x
  2. Step 2: Convert to fraction form
    28,207,288/61,109,744 = 61,109,744/x
  3. Step 3: Cross multiply
    28,207,288x = 61,109,744 × 61,109,744
  4. Step 4: Simplify right side
    28,207,288x = 3,734,400,811,745,536
  5. Step 5: Solve for x
    x = 3,734,400,811,745,536/28,207,288
  6. Step 6: Final answer
    x = 132,391,345.52

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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.