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Finding the Third Proportional to 1,003.38 and 1,331.75

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Solution

The third proportional to 1,003.38 and 1,331.75 is: 1,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003.38 : 1,331.75 = 1,331.75 : x
  2. Step 2: Convert to fraction form
    1,003.38/1,331.75 = 1,331.75/x
  3. Step 3: Cross multiply
    1,003.38x = 1,331.75 × 1,331.75
  4. Step 4: Simplify right side
    1,003.38x = 1,773,558.06
  5. Step 5: Solve for x
    x = 1,773,558.06/1,003.38
  6. Step 6: Final answer
    x = 1,767.59

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.