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Finding the Third Proportional to 664.75 and 1,010.88

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Solution

The third proportional to 664.75 and 1,010.88 is: 1,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    664.75 : 1,010.88 = 1,010.88 : x
  2. Step 2: Convert to fraction form
    664.75/1,010.88 = 1,010.88/x
  3. Step 3: Cross multiply
    664.75x = 1,010.88 × 1,010.88
  4. Step 4: Simplify right side
    664.75x = 1,021,868.27
  5. Step 5: Solve for x
    x = 1,021,868.27/664.75
  6. Step 6: Final answer
    x = 1,537.22

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.