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Finding the Third Proportional to 129,460 and 281,096

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Solution

The third proportional to 129,460 and 281,096 is: 610,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,460 : 281,096 = 281,096 : x
  2. Step 2: Convert to fraction form
    129,460/281,096 = 281,096/x
  3. Step 3: Cross multiply
    129,460x = 281,096 × 281,096
  4. Step 4: Simplify right side
    129,460x = 79,014,961,216
  5. Step 5: Solve for x
    x = 79,014,961,216/129,460
  6. Step 6: Final answer
    x = 610,342.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.