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Finding the Third Proportional to 575.25 and 756.38

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Solution

The third proportional to 575.25 and 756.38 is: 994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.25 : 756.38 = 756.38 : x
  2. Step 2: Convert to fraction form
    575.25/756.38 = 756.38/x
  3. Step 3: Cross multiply
    575.25x = 756.38 × 756.38
  4. Step 4: Simplify right side
    575.25x = 572,103.14
  5. Step 5: Solve for x
    x = 572,103.14/575.25
  6. Step 6: Final answer
    x = 994.53

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.