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Finding the Third Proportional to 574 and 919

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Solution

The third proportional to 574 and 919 is: 1,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    574 : 919 = 919 : x
  2. Step 2: Convert to fraction form
    574/919 = 919/x
  3. Step 3: Cross multiply
    574x = 919 × 919
  4. Step 4: Simplify right side
    574x = 844,561
  5. Step 5: Solve for x
    x = 844,561/574
  6. Step 6: Final answer
    x = 1,471.36

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.