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Finding the Third Proportional to 4,861.13 and 10,387.13

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Solution

The third proportional to 4,861.13 and 10,387.13 is: 22,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.13 : 10,387.13 = 10,387.13 : x
  2. Step 2: Convert to fraction form
    4,861.13/10,387.13 = 10,387.13/x
  3. Step 3: Cross multiply
    4,861.13x = 10,387.13 × 10,387.13
  4. Step 4: Simplify right side
    4,861.13x = 107,892,365.77
  5. Step 5: Solve for x
    x = 107,892,365.77/4,861.13
  6. Step 6: Final answer
    x = 22,194.94

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.