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Finding the Third Proportional to 85,873 and 186,532

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Solution

The third proportional to 85,873 and 186,532 is: 405,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,873 : 186,532 = 186,532 : x
  2. Step 2: Convert to fraction form
    85,873/186,532 = 186,532/x
  3. Step 3: Cross multiply
    85,873x = 186,532 × 186,532
  4. Step 4: Simplify right side
    85,873x = 34,794,187,024
  5. Step 5: Solve for x
    x = 34,794,187,024/85,873
  6. Step 6: Final answer
    x = 405,181.92

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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.