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Finding the Third Proportional to 60,515 and 130,147

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Solution

The third proportional to 60,515 and 130,147 is: 279,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515 : 130,147 = 130,147 : x
  2. Step 2: Convert to fraction form
    60,515/130,147 = 130,147/x
  3. Step 3: Cross multiply
    60,515x = 130,147 × 130,147
  4. Step 4: Simplify right side
    60,515x = 16,938,241,609
  5. Step 5: Solve for x
    x = 16,938,241,609/60,515
  6. Step 6: Final answer
    x = 279,901.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.