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Finding the Third Proportional to 1,672.31 and 2,505.94

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Solution

The third proportional to 1,672.31 and 2,505.94 is: 3,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.31 : 2,505.94 = 2,505.94 : x
  2. Step 2: Convert to fraction form
    1,672.31/2,505.94 = 2,505.94/x
  3. Step 3: Cross multiply
    1,672.31x = 2,505.94 × 2,505.94
  4. Step 4: Simplify right side
    1,672.31x = 6,279,722.75
  5. Step 5: Solve for x
    x = 6,279,722.75/1,672.31
  6. Step 6: Final answer
    x = 3,755.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.