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Finding the Third Proportional to 30,098 and 62,320

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Solution

The third proportional to 30,098 and 62,320 is: 129,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,098 : 62,320 = 62,320 : x
  2. Step 2: Convert to fraction form
    30,098/62,320 = 62,320/x
  3. Step 3: Cross multiply
    30,098x = 62,320 × 62,320
  4. Step 4: Simplify right side
    30,098x = 3,883,782,400
  5. Step 5: Solve for x
    x = 3,883,782,400/30,098
  6. Step 6: Final answer
    x = 129,037.89

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.