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Finding the Third Proportional to 82,257.75 and 176,999.63

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Solution

The third proportional to 82,257.75 and 176,999.63 is: 380,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,257.75 : 176,999.63 = 176,999.63 : x
  2. Step 2: Convert to fraction form
    82,257.75/176,999.63 = 176,999.63/x
  3. Step 3: Cross multiply
    82,257.75x = 176,999.63 × 176,999.63
  4. Step 4: Simplify right side
    82,257.75x = 31,328,867,250.14
  5. Step 5: Solve for x
    x = 31,328,867,250.14/82,257.75
  6. Step 6: Final answer
    x = 380,862.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.