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Finding the Third Proportional to 124,774 and 191,981

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Solution

The third proportional to 124,774 and 191,981 is: 295,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,774 : 191,981 = 191,981 : x
  2. Step 2: Convert to fraction form
    124,774/191,981 = 191,981/x
  3. Step 3: Cross multiply
    124,774x = 191,981 × 191,981
  4. Step 4: Simplify right side
    124,774x = 36,856,704,361
  5. Step 5: Solve for x
    x = 36,856,704,361/124,774
  6. Step 6: Final answer
    x = 295,387.70

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.