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Finding the Third Proportional to 186,924.75 and 280,318.13

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Solution

The third proportional to 186,924.75 and 280,318.13 is: 420,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,924.75 : 280,318.13 = 280,318.13 : x
  2. Step 2: Convert to fraction form
    186,924.75/280,318.13 = 280,318.13/x
  3. Step 3: Cross multiply
    186,924.75x = 280,318.13 × 280,318.13
  4. Step 4: Simplify right side
    186,924.75x = 78,578,251,203.52
  5. Step 5: Solve for x
    x = 78,578,251,203.52/186,924.75
  6. Step 6: Final answer
    x = 420,373.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.