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Finding the Third Proportional to 532.50 and 585.75

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Solution

The third proportional to 532.50 and 585.75 is: 644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.50 : 585.75 = 585.75 : x
  2. Step 2: Convert to fraction form
    532.50/585.75 = 585.75/x
  3. Step 3: Cross multiply
    532.50x = 585.75 × 585.75
  4. Step 4: Simplify right side
    532.50x = 343,103.06
  5. Step 5: Solve for x
    x = 343,103.06/532.50
  6. Step 6: Final answer
    x = 644.33

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.