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Finding the Third Proportional to 159,470 and 246,981

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Solution

The third proportional to 159,470 and 246,981 is: 382,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,470 : 246,981 = 246,981 : x
  2. Step 2: Convert to fraction form
    159,470/246,981 = 246,981/x
  3. Step 3: Cross multiply
    159,470x = 246,981 × 246,981
  4. Step 4: Simplify right side
    159,470x = 60,999,614,361
  5. Step 5: Solve for x
    x = 60,999,614,361/159,470
  6. Step 6: Final answer
    x = 382,514.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.