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Finding the Third Proportional to 247,530 and 386,082

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Solution

The third proportional to 247,530 and 386,082 is: 602,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,530 : 386,082 = 386,082 : x
  2. Step 2: Convert to fraction form
    247,530/386,082 = 386,082/x
  3. Step 3: Cross multiply
    247,530x = 386,082 × 386,082
  4. Step 4: Simplify right side
    247,530x = 149,059,310,724
  5. Step 5: Solve for x
    x = 149,059,310,724/247,530
  6. Step 6: Final answer
    x = 602,186.85

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.