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Finding the Third Proportional to 3,136.92 and 4,587.61

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Solution

The third proportional to 3,136.92 and 4,587.61 is: 6,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.92 : 4,587.61 = 4,587.61 : x
  2. Step 2: Convert to fraction form
    3,136.92/4,587.61 = 4,587.61/x
  3. Step 3: Cross multiply
    3,136.92x = 4,587.61 × 4,587.61
  4. Step 4: Simplify right side
    3,136.92x = 21,046,159.78
  5. Step 5: Solve for x
    x = 21,046,159.78/3,136.92
  6. Step 6: Final answer
    x = 6,709.18

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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.