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Finding the Third Proportional to 3,217.22 and 4,730.91

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Solution

The third proportional to 3,217.22 and 4,730.91 is: 6,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.22 : 4,730.91 = 4,730.91 : x
  2. Step 2: Convert to fraction form
    3,217.22/4,730.91 = 4,730.91/x
  3. Step 3: Cross multiply
    3,217.22x = 4,730.91 × 4,730.91
  4. Step 4: Simplify right side
    3,217.22x = 22,381,473.95
  5. Step 5: Solve for x
    x = 22,381,473.95/3,217.22
  6. Step 6: Final answer
    x = 6,956.78

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.