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Finding the Third Proportional to 676.38 and 1,010.25

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Solution

The third proportional to 676.38 and 1,010.25 is: 1,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.38 : 1,010.25 = 1,010.25 : x
  2. Step 2: Convert to fraction form
    676.38/1,010.25 = 1,010.25/x
  3. Step 3: Cross multiply
    676.38x = 1,010.25 × 1,010.25
  4. Step 4: Simplify right side
    676.38x = 1,020,605.06
  5. Step 5: Solve for x
    x = 1,020,605.06/676.38
  6. Step 6: Final answer
    x = 1,508.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.