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Finding the Third Proportional to 8,687,536 and 12,985,376

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Solution

The third proportional to 8,687,536 and 12,985,376 is: 19,409,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,536 : 12,985,376 = 12,985,376 : x
  2. Step 2: Convert to fraction form
    8,687,536/12,985,376 = 12,985,376/x
  3. Step 3: Cross multiply
    8,687,536x = 12,985,376 × 12,985,376
  4. Step 4: Simplify right side
    8,687,536x = 168,619,989,861,376
  5. Step 5: Solve for x
    x = 168,619,989,861,376/8,687,536
  6. Step 6: Final answer
    x = 19,409,414.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.