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Finding the Third Proportional to 38,869.13 and 83,940.75

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Solution

The third proportional to 38,869.13 and 83,940.75 is: 181,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869.13 : 83,940.75 = 83,940.75 : x
  2. Step 2: Convert to fraction form
    38,869.13/83,940.75 = 83,940.75/x
  3. Step 3: Cross multiply
    38,869.13x = 83,940.75 × 83,940.75
  4. Step 4: Simplify right side
    38,869.13x = 7,046,049,510.56
  5. Step 5: Solve for x
    x = 7,046,049,510.56/38,869.13
  6. Step 6: Final answer
    x = 181,276.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.