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Finding the Third Proportional to 5,116.92 and 10,621.13

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Solution

The third proportional to 5,116.92 and 10,621.13 is: 22,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.92 : 10,621.13 = 10,621.13 : x
  2. Step 2: Convert to fraction form
    5,116.92/10,621.13 = 10,621.13/x
  3. Step 3: Cross multiply
    5,116.92x = 10,621.13 × 10,621.13
  4. Step 4: Simplify right side
    5,116.92x = 112,808,296.27
  5. Step 5: Solve for x
    x = 112,808,296.27/5,116.92
  6. Step 6: Final answer
    x = 22,046.12

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.