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Finding the Third Proportional to 82,020 and 176,493

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Solution

The third proportional to 82,020 and 176,493 is: 379,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,020 : 176,493 = 176,493 : x
  2. Step 2: Convert to fraction form
    82,020/176,493 = 176,493/x
  3. Step 3: Cross multiply
    82,020x = 176,493 × 176,493
  4. Step 4: Simplify right side
    82,020x = 31,149,779,049
  5. Step 5: Solve for x
    x = 31,149,779,049/82,020
  6. Step 6: Final answer
    x = 379,782.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.