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Finding the Third Proportional to 63,776.11 and 140,224.29

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Solution

The third proportional to 63,776.11 and 140,224.29 is: 308,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,776.11 : 140,224.29 = 140,224.29 : x
  2. Step 2: Convert to fraction form
    63,776.11/140,224.29 = 140,224.29/x
  3. Step 3: Cross multiply
    63,776.11x = 140,224.29 × 140,224.29
  4. Step 4: Simplify right side
    63,776.11x = 19,662,851,243.08
  5. Step 5: Solve for x
    x = 19,662,851,243.08/63,776.11
  6. Step 6: Final answer
    x = 308,310.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.