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Finding the Third Proportional to 85,869 and 186,524

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Solution

The third proportional to 85,869 and 186,524 is: 405,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,869 : 186,524 = 186,524 : x
  2. Step 2: Convert to fraction form
    85,869/186,524 = 186,524/x
  3. Step 3: Cross multiply
    85,869x = 186,524 × 186,524
  4. Step 4: Simplify right side
    85,869x = 34,791,202,576
  5. Step 5: Solve for x
    x = 34,791,202,576/85,869
  6. Step 6: Final answer
    x = 405,166.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.