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Finding the Third Proportional to 574.88 and 913.88

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Solution

The third proportional to 574.88 and 913.88 is: 1,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.88 : 913.88 = 913.88 : x
  2. Step 2: Convert to fraction form
    574.88/913.88 = 913.88/x
  3. Step 3: Cross multiply
    574.88x = 913.88 × 913.88
  4. Step 4: Simplify right side
    574.88x = 835,167.52
  5. Step 5: Solve for x
    x = 835,167.52/574.88
  6. Step 6: Final answer
    x = 1,452.78

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.