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Finding the Third Proportional to 8,815,472 and 13,356,530

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Solution

The third proportional to 8,815,472 and 13,356,530 is: 20,236,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,472 : 13,356,530 = 13,356,530 : x
  2. Step 2: Convert to fraction form
    8,815,472/13,356,530 = 13,356,530/x
  3. Step 3: Cross multiply
    8,815,472x = 13,356,530 × 13,356,530
  4. Step 4: Simplify right side
    8,815,472x = 178,396,893,640,900
  5. Step 5: Solve for x
    x = 178,396,893,640,900/8,815,472
  6. Step 6: Final answer
    x = 20,236,794.31

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.