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Finding the Third Proportional to 132,781.50 and 197,154

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Solution

The third proportional to 132,781.50 and 197,154 is: 292,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,781.50 : 197,154 = 197,154 : x
  2. Step 2: Convert to fraction form
    132,781.50/197,154 = 197,154/x
  3. Step 3: Cross multiply
    132,781.50x = 197,154 × 197,154
  4. Step 4: Simplify right side
    132,781.50x = 38,869,699,716
  5. Step 5: Solve for x
    x = 38,869,699,716/132,781.50
  6. Step 6: Final answer
    x = 292,734.30

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.