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Finding the Third Proportional to 61,980 and 98,508

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Solution

The third proportional to 61,980 and 98,508 is: 156,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980 : 98,508 = 98,508 : x
  2. Step 2: Convert to fraction form
    61,980/98,508 = 98,508/x
  3. Step 3: Cross multiply
    61,980x = 98,508 × 98,508
  4. Step 4: Simplify right side
    61,980x = 9,703,826,064
  5. Step 5: Solve for x
    x = 9,703,826,064/61,980
  6. Step 6: Final answer
    x = 156,563.83

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.