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Finding the Third Proportional to 62,561 and 130,299

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Solution

The third proportional to 62,561 and 130,299 is: 271,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,561 : 130,299 = 130,299 : x
  2. Step 2: Convert to fraction form
    62,561/130,299 = 130,299/x
  3. Step 3: Cross multiply
    62,561x = 130,299 × 130,299
  4. Step 4: Simplify right side
    62,561x = 16,977,829,401
  5. Step 5: Solve for x
    x = 16,977,829,401/62,561
  6. Step 6: Final answer
    x = 271,380.40

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.