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Finding the Third Proportional to 8,272,394 and 12,417,339

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Solution

The third proportional to 8,272,394 and 12,417,339 is: 18,639,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,394 : 12,417,339 = 12,417,339 : x
  2. Step 2: Convert to fraction form
    8,272,394/12,417,339 = 12,417,339/x
  3. Step 3: Cross multiply
    8,272,394x = 12,417,339 × 12,417,339
  4. Step 4: Simplify right side
    8,272,394x = 154,190,307,840,921
  5. Step 5: Solve for x
    x = 154,190,307,840,921/8,272,394
  6. Step 6: Final answer
    x = 18,639,139.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.