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Finding the Third Proportional to 353.50 and 527.75

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Solution

The third proportional to 353.50 and 527.75 is: 787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.50 : 527.75 = 527.75 : x
  2. Step 2: Convert to fraction form
    353.50/527.75 = 527.75/x
  3. Step 3: Cross multiply
    353.50x = 527.75 × 527.75
  4. Step 4: Simplify right side
    353.50x = 278,520.06
  5. Step 5: Solve for x
    x = 278,520.06/353.50
  6. Step 6: Final answer
    x = 787.89

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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.