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Finding the Third Proportional to 1,560.38 and 3,381.19

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Solution

The third proportional to 1,560.38 and 3,381.19 is: 7,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.38 : 3,381.19 = 3,381.19 : x
  2. Step 2: Convert to fraction form
    1,560.38/3,381.19 = 3,381.19/x
  3. Step 3: Cross multiply
    1,560.38x = 3,381.19 × 3,381.19
  4. Step 4: Simplify right side
    1,560.38x = 11,432,428.91
  5. Step 5: Solve for x
    x = 11,432,428.91/1,560.38
  6. Step 6: Final answer
    x = 7,326.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.