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Finding the Third Proportional to 115,650 and 178,727

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Solution

The third proportional to 115,650 and 178,727 is: 276,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,650 : 178,727 = 178,727 : x
  2. Step 2: Convert to fraction form
    115,650/178,727 = 178,727/x
  3. Step 3: Cross multiply
    115,650x = 178,727 × 178,727
  4. Step 4: Simplify right side
    115,650x = 31,943,340,529
  5. Step 5: Solve for x
    x = 31,943,340,529/115,650
  6. Step 6: Final answer
    x = 276,207.01

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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.