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Finding the Third Proportional to 82,090 and 177,304

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Solution

The third proportional to 82,090 and 177,304 is: 382,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,090 : 177,304 = 177,304 : x
  2. Step 2: Convert to fraction form
    82,090/177,304 = 177,304/x
  3. Step 3: Cross multiply
    82,090x = 177,304 × 177,304
  4. Step 4: Simplify right side
    82,090x = 31,436,708,416
  5. Step 5: Solve for x
    x = 31,436,708,416/82,090
  6. Step 6: Final answer
    x = 382,954.18

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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.