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Finding the Third Proportional to 3,423.38 and 7,374.38

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Solution

The third proportional to 3,423.38 and 7,374.38 is: 15,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.38 : 7,374.38 = 7,374.38 : x
  2. Step 2: Convert to fraction form
    3,423.38/7,374.38 = 7,374.38/x
  3. Step 3: Cross multiply
    3,423.38x = 7,374.38 × 7,374.38
  4. Step 4: Simplify right side
    3,423.38x = 54,381,406.64
  5. Step 5: Solve for x
    x = 54,381,406.64/3,423.38
  6. Step 6: Final answer
    x = 15,885.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.