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Finding the Third Proportional to 129,842.50 and 195,618.50

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Solution

The third proportional to 129,842.50 and 195,618.50 is: 294,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,842.50 : 195,618.50 = 195,618.50 : x
  2. Step 2: Convert to fraction form
    129,842.50/195,618.50 = 195,618.50/x
  3. Step 3: Cross multiply
    129,842.50x = 195,618.50 × 195,618.50
  4. Step 4: Simplify right side
    129,842.50x = 38,266,597,542.25
  5. Step 5: Solve for x
    x = 38,266,597,542.25/129,842.50
  6. Step 6: Final answer
    x = 294,715.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.