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Finding the Third Proportional to 8,681,612 and 12,771,478

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Solution

The third proportional to 8,681,612 and 12,771,478 is: 18,788,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,612 : 12,771,478 = 12,771,478 : x
  2. Step 2: Convert to fraction form
    8,681,612/12,771,478 = 12,771,478/x
  3. Step 3: Cross multiply
    8,681,612x = 12,771,478 × 12,771,478
  4. Step 4: Simplify right side
    8,681,612x = 163,110,650,304,484
  5. Step 5: Solve for x
    x = 163,110,650,304,484/8,681,612
  6. Step 6: Final answer
    x = 18,788,060.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.