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Finding the Third Proportional to 4,647.38 and 6,341.73

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Solution

The third proportional to 4,647.38 and 6,341.73 is: 8,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.38 : 6,341.73 = 6,341.73 : x
  2. Step 2: Convert to fraction form
    4,647.38/6,341.73 = 6,341.73/x
  3. Step 3: Cross multiply
    4,647.38x = 6,341.73 × 6,341.73
  4. Step 4: Simplify right side
    4,647.38x = 40,217,545.34
  5. Step 5: Solve for x
    x = 40,217,545.34/4,647.38
  6. Step 6: Final answer
    x = 8,653.82

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.