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Finding the Third Proportional to 574.50 and 837.25

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Solution

The third proportional to 574.50 and 837.25 is: 1,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.50 : 837.25 = 837.25 : x
  2. Step 2: Convert to fraction form
    574.50/837.25 = 837.25/x
  3. Step 3: Cross multiply
    574.50x = 837.25 × 837.25
  4. Step 4: Simplify right side
    574.50x = 700,987.56
  5. Step 5: Solve for x
    x = 700,987.56/574.50
  6. Step 6: Final answer
    x = 1,220.17

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.