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Finding the Third Proportional to 85,299 and 186,726

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Solution

The third proportional to 85,299 and 186,726 is: 408,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299 : 186,726 = 186,726 : x
  2. Step 2: Convert to fraction form
    85,299/186,726 = 186,726/x
  3. Step 3: Cross multiply
    85,299x = 186,726 × 186,726
  4. Step 4: Simplify right side
    85,299x = 34,866,599,076
  5. Step 5: Solve for x
    x = 34,866,599,076/85,299
  6. Step 6: Final answer
    x = 408,757.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.