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Finding the Third Proportional to 38,368.13 and 81,299.25

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Solution

The third proportional to 38,368.13 and 81,299.25 is: 172,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,368.13 : 81,299.25 = 81,299.25 : x
  2. Step 2: Convert to fraction form
    38,368.13/81,299.25 = 81,299.25/x
  3. Step 3: Cross multiply
    38,368.13x = 81,299.25 × 81,299.25
  4. Step 4: Simplify right side
    38,368.13x = 6,609,568,050.56
  5. Step 5: Solve for x
    x = 6,609,568,050.56/38,368.13
  6. Step 6: Final answer
    x = 172,267.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.