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Finding the Third Proportional to 6,269.91 and 9,136.55

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Solution

The third proportional to 6,269.91 and 9,136.55 is: 13,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.91 : 9,136.55 = 9,136.55 : x
  2. Step 2: Convert to fraction form
    6,269.91/9,136.55 = 9,136.55/x
  3. Step 3: Cross multiply
    6,269.91x = 9,136.55 × 9,136.55
  4. Step 4: Simplify right side
    6,269.91x = 83,476,488.80
  5. Step 5: Solve for x
    x = 83,476,488.80/6,269.91
  6. Step 6: Final answer
    x = 13,313.83

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.