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Finding the Third Proportional to 80,043 and 119,902.50

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Solution

The third proportional to 80,043 and 119,902.50 is: 179,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,043 : 119,902.50 = 119,902.50 : x
  2. Step 2: Convert to fraction form
    80,043/119,902.50 = 119,902.50/x
  3. Step 3: Cross multiply
    80,043x = 119,902.50 × 119,902.50
  4. Step 4: Simplify right side
    80,043x = 14,376,609,506.25
  5. Step 5: Solve for x
    x = 14,376,609,506.25/80,043
  6. Step 6: Final answer
    x = 179,611.08

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Why These Related Problems?

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