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Finding the Third Proportional to 79,252 and 123,111

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Solution

The third proportional to 79,252 and 123,111 is: 191,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,252 : 123,111 = 123,111 : x
  2. Step 2: Convert to fraction form
    79,252/123,111 = 123,111/x
  3. Step 3: Cross multiply
    79,252x = 123,111 × 123,111
  4. Step 4: Simplify right side
    79,252x = 15,156,318,321
  5. Step 5: Solve for x
    x = 15,156,318,321/79,252
  6. Step 6: Final answer
    x = 191,242.09

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.