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Finding the Third Proportional to 54,705 and 85,698

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Solution

The third proportional to 54,705 and 85,698 is: 134,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705 : 85,698 = 85,698 : x
  2. Step 2: Convert to fraction form
    54,705/85,698 = 85,698/x
  3. Step 3: Cross multiply
    54,705x = 85,698 × 85,698
  4. Step 4: Simplify right side
    54,705x = 7,344,147,204
  5. Step 5: Solve for x
    x = 7,344,147,204/54,705
  6. Step 6: Final answer
    x = 134,250.02

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.