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Finding the Third Proportional to 532 and 1,168.81

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Solution

The third proportional to 532 and 1,168.81 is: 2,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532 : 1,168.81 = 1,168.81 : x
  2. Step 2: Convert to fraction form
    532/1,168.81 = 1,168.81/x
  3. Step 3: Cross multiply
    532x = 1,168.81 × 1,168.81
  4. Step 4: Simplify right side
    532x = 1,366,122.66
  5. Step 5: Solve for x
    x = 1,366,122.66/532
  6. Step 6: Final answer
    x = 2,567.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.