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Finding the Third Proportional to 332.06 and 709.78

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Solution

The third proportional to 332.06 and 709.78 is: 1,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.06 : 709.78 = 709.78 : x
  2. Step 2: Convert to fraction form
    332.06/709.78 = 709.78/x
  3. Step 3: Cross multiply
    332.06x = 709.78 × 709.78
  4. Step 4: Simplify right side
    332.06x = 503,789.42
  5. Step 5: Solve for x
    x = 503,789.42/332.06
  6. Step 6: Final answer
    x = 1,517.15

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.