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Finding the Third Proportional to 76,398 and 114,741

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Solution

The third proportional to 76,398 and 114,741 is: 172,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,398 : 114,741 = 114,741 : x
  2. Step 2: Convert to fraction form
    76,398/114,741 = 114,741/x
  3. Step 3: Cross multiply
    76,398x = 114,741 × 114,741
  4. Step 4: Simplify right side
    76,398x = 13,165,497,081
  5. Step 5: Solve for x
    x = 13,165,497,081/76,398
  6. Step 6: Final answer
    x = 172,327.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.