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Finding the Third Proportional to 357 and 532

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Solution

The third proportional to 357 and 532 is: 792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357 : 532 = 532 : x
  2. Step 2: Convert to fraction form
    357/532 = 532/x
  3. Step 3: Cross multiply
    357x = 532 × 532
  4. Step 4: Simplify right side
    357x = 283,024
  5. Step 5: Solve for x
    x = 283,024/357
  6. Step 6: Final answer
    x = 792.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.