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Finding the Third Proportional to 468.56 and 865.13

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Solution

The third proportional to 468.56 and 865.13 is: 1,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.56 : 865.13 = 865.13 : x
  2. Step 2: Convert to fraction form
    468.56/865.13 = 865.13/x
  3. Step 3: Cross multiply
    468.56x = 865.13 × 865.13
  4. Step 4: Simplify right side
    468.56x = 748,441.27
  5. Step 5: Solve for x
    x = 748,441.27/468.56
  6. Step 6: Final answer
    x = 1,597.31

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.