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Finding the Third Proportional to 3,439.13 and 4,902.19

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Solution

The third proportional to 3,439.13 and 4,902.19 is: 6,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.13 : 4,902.19 = 4,902.19 : x
  2. Step 2: Convert to fraction form
    3,439.13/4,902.19 = 4,902.19/x
  3. Step 3: Cross multiply
    3,439.13x = 4,902.19 × 4,902.19
  4. Step 4: Simplify right side
    3,439.13x = 24,031,442.29
  5. Step 5: Solve for x
    x = 24,031,442.29/3,439.13
  6. Step 6: Final answer
    x = 6,987.66

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.