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Finding the Third Proportional to 8,496,691.50 and 12,988,859.44

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Solution

The third proportional to 8,496,691.50 and 12,988,859.44 is: 19,856,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496,691.50 : 12,988,859.44 = 12,988,859.44 : x
  2. Step 2: Convert to fraction form
    8,496,691.50/12,988,859.44 = 12,988,859.44/x
  3. Step 3: Cross multiply
    8,496,691.50x = 12,988,859.44 × 12,988,859.44
  4. Step 4: Simplify right side
    8,496,691.50x = 168,710,469,487,132.81
  5. Step 5: Solve for x
    x = 168,710,469,487,132.81/8,496,691.50
  6. Step 6: Final answer
    x = 19,856,019.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.