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Finding the Third Proportional to 179,154 and 258,981

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Solution

The third proportional to 179,154 and 258,981 is: 374,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,154 : 258,981 = 258,981 : x
  2. Step 2: Convert to fraction form
    179,154/258,981 = 258,981/x
  3. Step 3: Cross multiply
    179,154x = 258,981 × 258,981
  4. Step 4: Simplify right side
    179,154x = 67,071,158,361
  5. Step 5: Solve for x
    x = 67,071,158,361/179,154
  6. Step 6: Final answer
    x = 374,377.12

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.