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Finding the Third Proportional to 2,221.03 and 4,737.66

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Solution

The third proportional to 2,221.03 and 4,737.66 is: 10,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.03 : 4,737.66 = 4,737.66 : x
  2. Step 2: Convert to fraction form
    2,221.03/4,737.66 = 4,737.66/x
  3. Step 3: Cross multiply
    2,221.03x = 4,737.66 × 4,737.66
  4. Step 4: Simplify right side
    2,221.03x = 22,445,386.74
  5. Step 5: Solve for x
    x = 22,445,386.74/2,221.03
  6. Step 6: Final answer
    x = 10,105.84

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.