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Finding the Third Proportional to 85,956.19 and 186,855.19

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Solution

The third proportional to 85,956.19 and 186,855.19 is: 406,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,956.19 : 186,855.19 = 186,855.19 : x
  2. Step 2: Convert to fraction form
    85,956.19/186,855.19 = 186,855.19/x
  3. Step 3: Cross multiply
    85,956.19x = 186,855.19 × 186,855.19
  4. Step 4: Simplify right side
    85,956.19x = 34,914,861,095.66
  5. Step 5: Solve for x
    x = 34,914,861,095.66/85,956.19
  6. Step 6: Final answer
    x = 406,193.69

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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.