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Finding the Third Proportional to 1,060.38 and 1,394.30

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Solution

The third proportional to 1,060.38 and 1,394.30 is: 1,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.38 : 1,394.30 = 1,394.30 : x
  2. Step 2: Convert to fraction form
    1,060.38/1,394.30 = 1,394.30/x
  3. Step 3: Cross multiply
    1,060.38x = 1,394.30 × 1,394.30
  4. Step 4: Simplify right side
    1,060.38x = 1,944,063.78
  5. Step 5: Solve for x
    x = 1,944,063.78/1,060.38
  6. Step 6: Final answer
    x = 1,833.36

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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.