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Finding the Third Proportional to 1,442,711.25 and 2,251,408.50

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Solution

The third proportional to 1,442,711.25 and 2,251,408.50 is: 3,513,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,711.25 : 2,251,408.50 = 2,251,408.50 : x
  2. Step 2: Convert to fraction form
    1,442,711.25/2,251,408.50 = 2,251,408.50/x
  3. Step 3: Cross multiply
    1,442,711.25x = 2,251,408.50 × 2,251,408.50
  4. Step 4: Simplify right side
    1,442,711.25x = 5,068,840,233,872.25
  5. Step 5: Solve for x
    x = 5,068,840,233,872.25/1,442,711.25
  6. Step 6: Final answer
    x = 3,513,412.84

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.