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Finding the Third Proportional to 83,246 and 178,402

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Solution

The third proportional to 83,246 and 178,402 is: 382,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,246 : 178,402 = 178,402 : x
  2. Step 2: Convert to fraction form
    83,246/178,402 = 178,402/x
  3. Step 3: Cross multiply
    83,246x = 178,402 × 178,402
  4. Step 4: Simplify right side
    83,246x = 31,827,273,604
  5. Step 5: Solve for x
    x = 31,827,273,604/83,246
  6. Step 6: Final answer
    x = 382,327.96

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.