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Finding the Third Proportional to 8,527,395 and 13,120,449

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Solution

The third proportional to 8,527,395 and 13,120,449 is: 20,187,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527,395 : 13,120,449 = 13,120,449 : x
  2. Step 2: Convert to fraction form
    8,527,395/13,120,449 = 13,120,449/x
  3. Step 3: Cross multiply
    8,527,395x = 13,120,449 × 13,120,449
  4. Step 4: Simplify right side
    8,527,395x = 172,146,181,961,601
  5. Step 5: Solve for x
    x = 172,146,181,961,601/8,527,395
  6. Step 6: Final answer
    x = 20,187,429.10

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.