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Finding the Third Proportional to 80,156.50 and 125,087.50

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Solution

The third proportional to 80,156.50 and 125,087.50 is: 195,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,156.50 : 125,087.50 = 125,087.50 : x
  2. Step 2: Convert to fraction form
    80,156.50/125,087.50 = 125,087.50/x
  3. Step 3: Cross multiply
    80,156.50x = 125,087.50 × 125,087.50
  4. Step 4: Simplify right side
    80,156.50x = 15,646,882,656.25
  5. Step 5: Solve for x
    x = 15,646,882,656.25/80,156.50
  6. Step 6: Final answer
    x = 195,204.17

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.