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Finding the Third Proportional to 191,731.50 and 415,194.75

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Solution

The third proportional to 191,731.50 and 415,194.75 is: 899,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,731.50 : 415,194.75 = 415,194.75 : x
  2. Step 2: Convert to fraction form
    191,731.50/415,194.75 = 415,194.75/x
  3. Step 3: Cross multiply
    191,731.50x = 415,194.75 × 415,194.75
  4. Step 4: Simplify right side
    191,731.50x = 172,386,680,427.56
  5. Step 5: Solve for x
    x = 172,386,680,427.56/191,731.50
  6. Step 6: Final answer
    x = 899,104.64

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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.