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Finding the Third Proportional to 348.25 and 532.75

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Solution

The third proportional to 348.25 and 532.75 is: 815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.25 : 532.75 = 532.75 : x
  2. Step 2: Convert to fraction form
    348.25/532.75 = 532.75/x
  3. Step 3: Cross multiply
    348.25x = 532.75 × 532.75
  4. Step 4: Simplify right side
    348.25x = 283,822.56
  5. Step 5: Solve for x
    x = 283,822.56/348.25
  6. Step 6: Final answer
    x = 815.00

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.