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Finding the Third Proportional to 86,551 and 186,041

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Solution

The third proportional to 86,551 and 186,041 is: 399,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551 : 186,041 = 186,041 : x
  2. Step 2: Convert to fraction form
    86,551/186,041 = 186,041/x
  3. Step 3: Cross multiply
    86,551x = 186,041 × 186,041
  4. Step 4: Simplify right side
    86,551x = 34,611,253,681
  5. Step 5: Solve for x
    x = 34,611,253,681/86,551
  6. Step 6: Final answer
    x = 399,894.32

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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.