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Finding the Third Proportional to 13,287.38 and 28,765.13

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Solution

The third proportional to 13,287.38 and 28,765.13 is: 62,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.38 : 28,765.13 = 28,765.13 : x
  2. Step 2: Convert to fraction form
    13,287.38/28,765.13 = 28,765.13/x
  3. Step 3: Cross multiply
    13,287.38x = 28,765.13 × 28,765.13
  4. Step 4: Simplify right side
    13,287.38x = 827,432,416.27
  5. Step 5: Solve for x
    x = 827,432,416.27/13,287.38
  6. Step 6: Final answer
    x = 62,272.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.