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Finding the Third Proportional to 131,257.50 and 281,103

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Solution

The third proportional to 131,257.50 and 281,103 is: 602,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,257.50 : 281,103 = 281,103 : x
  2. Step 2: Convert to fraction form
    131,257.50/281,103 = 281,103/x
  3. Step 3: Cross multiply
    131,257.50x = 281,103 × 281,103
  4. Step 4: Simplify right side
    131,257.50x = 79,018,896,609
  5. Step 5: Solve for x
    x = 79,018,896,609/131,257.50
  6. Step 6: Final answer
    x = 602,014.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.