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Finding the Third Proportional to 3,340.13 and 4,371.19

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Solution

The third proportional to 3,340.13 and 4,371.19 is: 5,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.13 : 4,371.19 = 4,371.19 : x
  2. Step 2: Convert to fraction form
    3,340.13/4,371.19 = 4,371.19/x
  3. Step 3: Cross multiply
    3,340.13x = 4,371.19 × 4,371.19
  4. Step 4: Simplify right side
    3,340.13x = 19,107,280.16
  5. Step 5: Solve for x
    x = 19,107,280.16/3,340.13
  6. Step 6: Final answer
    x = 5,720.53

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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.