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Finding the Third Proportional to 497.25 and 731.25

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Solution

The third proportional to 497.25 and 731.25 is: 1,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.25 : 731.25 = 731.25 : x
  2. Step 2: Convert to fraction form
    497.25/731.25 = 731.25/x
  3. Step 3: Cross multiply
    497.25x = 731.25 × 731.25
  4. Step 4: Simplify right side
    497.25x = 534,726.56
  5. Step 5: Solve for x
    x = 534,726.56/497.25
  6. Step 6: Final answer
    x = 1,075.37

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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.