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Finding the Third Proportional to 91,930 and 136,166

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Solution

The third proportional to 91,930 and 136,166 is: 201,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,930 : 136,166 = 136,166 : x
  2. Step 2: Convert to fraction form
    91,930/136,166 = 136,166/x
  3. Step 3: Cross multiply
    91,930x = 136,166 × 136,166
  4. Step 4: Simplify right side
    91,930x = 18,541,179,556
  5. Step 5: Solve for x
    x = 18,541,179,556/91,930
  6. Step 6: Final answer
    x = 201,688.02

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.