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Finding the Third Proportional to 35,128 and 62,459

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Solution

The third proportional to 35,128 and 62,459 is: 111,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128 : 62,459 = 62,459 : x
  2. Step 2: Convert to fraction form
    35,128/62,459 = 62,459/x
  3. Step 3: Cross multiply
    35,128x = 62,459 × 62,459
  4. Step 4: Simplify right side
    35,128x = 3,901,126,681
  5. Step 5: Solve for x
    x = 3,901,126,681/35,128
  6. Step 6: Final answer
    x = 111,054.62

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.