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Finding the Third Proportional to 179,152.75 and 258,978.75

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Solution

The third proportional to 179,152.75 and 258,978.75 is: 374,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,152.75 : 258,978.75 = 258,978.75 : x
  2. Step 2: Convert to fraction form
    179,152.75/258,978.75 = 258,978.75/x
  3. Step 3: Cross multiply
    179,152.75x = 258,978.75 × 258,978.75
  4. Step 4: Simplify right side
    179,152.75x = 67,069,992,951.56
  5. Step 5: Solve for x
    x = 67,069,992,951.56/179,152.75
  6. Step 6: Final answer
    x = 374,373.23

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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.