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Finding the Third Proportional to 8,387,481 and 18,344,970

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Solution

The third proportional to 8,387,481 and 18,344,970 is: 40,123,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,481 : 18,344,970 = 18,344,970 : x
  2. Step 2: Convert to fraction form
    8,387,481/18,344,970 = 18,344,970/x
  3. Step 3: Cross multiply
    8,387,481x = 18,344,970 × 18,344,970
  4. Step 4: Simplify right side
    8,387,481x = 336,537,924,300,900
  5. Step 5: Solve for x
    x = 336,537,924,300,900/8,387,481
  6. Step 6: Final answer
    x = 40,123,837.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.