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Finding the Third Proportional to 1,871.44 and 2,499.19

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Solution

The third proportional to 1,871.44 and 2,499.19 is: 3,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.44 : 2,499.19 = 2,499.19 : x
  2. Step 2: Convert to fraction form
    1,871.44/2,499.19 = 2,499.19/x
  3. Step 3: Cross multiply
    1,871.44x = 2,499.19 × 2,499.19
  4. Step 4: Simplify right side
    1,871.44x = 6,245,938.16
  5. Step 5: Solve for x
    x = 6,245,938.16/1,871.44
  6. Step 6: Final answer
    x = 3,337.51

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.