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Finding the Third Proportional to 61,191 and 82,359

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Solution

The third proportional to 61,191 and 82,359 is: 110,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,191 : 82,359 = 82,359 : x
  2. Step 2: Convert to fraction form
    61,191/82,359 = 82,359/x
  3. Step 3: Cross multiply
    61,191x = 82,359 × 82,359
  4. Step 4: Simplify right side
    61,191x = 6,783,004,881
  5. Step 5: Solve for x
    x = 6,783,004,881/61,191
  6. Step 6: Final answer
    x = 110,849.71

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.