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Finding the Third Proportional to 6,493.50 and 9,136.13

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Solution

The third proportional to 6,493.50 and 9,136.13 is: 12,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.50 : 9,136.13 = 9,136.13 : x
  2. Step 2: Convert to fraction form
    6,493.50/9,136.13 = 9,136.13/x
  3. Step 3: Cross multiply
    6,493.50x = 9,136.13 × 9,136.13
  4. Step 4: Simplify right side
    6,493.50x = 83,468,780.02
  5. Step 5: Solve for x
    x = 83,468,780.02/6,493.50
  6. Step 6: Final answer
    x = 12,854.20

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.