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Finding the Third Proportional to 371.25 and 545.48

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Solution

The third proportional to 371.25 and 545.48 is: 801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.25 : 545.48 = 545.48 : x
  2. Step 2: Convert to fraction form
    371.25/545.48 = 545.48/x
  3. Step 3: Cross multiply
    371.25x = 545.48 × 545.48
  4. Step 4: Simplify right side
    371.25x = 297,553.20
  5. Step 5: Solve for x
    x = 297,553.20/371.25
  6. Step 6: Final answer
    x = 801.49

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.