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Finding the Third Proportional to 82,082 and 177,124

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Solution

The third proportional to 82,082 and 177,124 is: 382,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,082 : 177,124 = 177,124 : x
  2. Step 2: Convert to fraction form
    82,082/177,124 = 177,124/x
  3. Step 3: Cross multiply
    82,082x = 177,124 × 177,124
  4. Step 4: Simplify right side
    82,082x = 31,372,911,376
  5. Step 5: Solve for x
    x = 31,372,911,376/82,082
  6. Step 6: Final answer
    x = 382,214.27

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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.