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Finding the Third Proportional to 372.75 and 569.25

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Solution

The third proportional to 372.75 and 569.25 is: 869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.75 : 569.25 = 569.25 : x
  2. Step 2: Convert to fraction form
    372.75/569.25 = 569.25/x
  3. Step 3: Cross multiply
    372.75x = 569.25 × 569.25
  4. Step 4: Simplify right side
    372.75x = 324,045.56
  5. Step 5: Solve for x
    x = 324,045.56/372.75
  6. Step 6: Final answer
    x = 869.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.