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Finding the Third Proportional to 7,165.13 and 15,310.69

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Solution

The third proportional to 7,165.13 and 15,310.69 is: 32,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.13 : 15,310.69 = 15,310.69 : x
  2. Step 2: Convert to fraction form
    7,165.13/15,310.69 = 15,310.69/x
  3. Step 3: Cross multiply
    7,165.13x = 15,310.69 × 15,310.69
  4. Step 4: Simplify right side
    7,165.13x = 234,417,151.72
  5. Step 5: Solve for x
    x = 234,417,151.72/7,165.13
  6. Step 6: Final answer
    x = 32,716.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.