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Finding the Third Proportional to 85,479.75 and 186,010.75

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Solution

The third proportional to 85,479.75 and 186,010.75 is: 404,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,479.75 : 186,010.75 = 186,010.75 : x
  2. Step 2: Convert to fraction form
    85,479.75/186,010.75 = 186,010.75/x
  3. Step 3: Cross multiply
    85,479.75x = 186,010.75 × 186,010.75
  4. Step 4: Simplify right side
    85,479.75x = 34,599,999,115.56
  5. Step 5: Solve for x
    x = 34,599,999,115.56/85,479.75
  6. Step 6: Final answer
    x = 404,774.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.