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Finding the Third Proportional to 38,844 and 81,576

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Solution

The third proportional to 38,844 and 81,576 is: 171,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,844 : 81,576 = 81,576 : x
  2. Step 2: Convert to fraction form
    38,844/81,576 = 81,576/x
  3. Step 3: Cross multiply
    38,844x = 81,576 × 81,576
  4. Step 4: Simplify right side
    38,844x = 6,654,643,776
  5. Step 5: Solve for x
    x = 6,654,643,776/38,844
  6. Step 6: Final answer
    x = 171,317.16

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.