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Finding the Third Proportional to 186.13 and 400.50

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Solution

The third proportional to 186.13 and 400.50 is: 861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.13 : 400.50 = 400.50 : x
  2. Step 2: Convert to fraction form
    186.13/400.50 = 400.50/x
  3. Step 3: Cross multiply
    186.13x = 400.50 × 400.50
  4. Step 4: Simplify right side
    186.13x = 160,400.25
  5. Step 5: Solve for x
    x = 160,400.25/186.13
  6. Step 6: Final answer
    x = 861.79

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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.