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Finding the Third Proportional to 38,823 and 82,730

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Solution

The third proportional to 38,823 and 82,730 is: 176,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,823 : 82,730 = 82,730 : x
  2. Step 2: Convert to fraction form
    38,823/82,730 = 82,730/x
  3. Step 3: Cross multiply
    38,823x = 82,730 × 82,730
  4. Step 4: Simplify right side
    38,823x = 6,844,252,900
  5. Step 5: Solve for x
    x = 6,844,252,900/38,823
  6. Step 6: Final answer
    x = 176,293.77

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.