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Finding the Third Proportional to 2,898.91 and 4,351.22

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Solution

The third proportional to 2,898.91 and 4,351.22 is: 6,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.91 : 4,351.22 = 4,351.22 : x
  2. Step 2: Convert to fraction form
    2,898.91/4,351.22 = 4,351.22/x
  3. Step 3: Cross multiply
    2,898.91x = 4,351.22 × 4,351.22
  4. Step 4: Simplify right side
    2,898.91x = 18,933,104.61
  5. Step 5: Solve for x
    x = 18,933,104.61/2,898.91
  6. Step 6: Final answer
    x = 6,531.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.