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Finding the Third Proportional to 532 and 581.50

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Solution

The third proportional to 532 and 581.50 is: 635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    532 : 581.50 = 581.50 : x
  2. Step 2: Convert to fraction form
    532/581.50 = 581.50/x
  3. Step 3: Cross multiply
    532x = 581.50 × 581.50
  4. Step 4: Simplify right side
    532x = 338,142.25
  5. Step 5: Solve for x
    x = 338,142.25/532
  6. Step 6: Final answer
    x = 635.61

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.