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Finding the Third Proportional to 176.87 and 260.24

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Solution

The third proportional to 176.87 and 260.24 is: 382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.87 : 260.24 = 260.24 : x
  2. Step 2: Convert to fraction form
    176.87/260.24 = 260.24/x
  3. Step 3: Cross multiply
    176.87x = 260.24 × 260.24
  4. Step 4: Simplify right side
    176.87x = 67,727.01
  5. Step 5: Solve for x
    x = 67,727.01/176.87
  6. Step 6: Final answer
    x = 382.92

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.