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Finding the Third Proportional to 79,250 and 123,108

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Solution

The third proportional to 79,250 and 123,108 is: 191,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,250 : 123,108 = 123,108 : x
  2. Step 2: Convert to fraction form
    79,250/123,108 = 123,108/x
  3. Step 3: Cross multiply
    79,250x = 123,108 × 123,108
  4. Step 4: Simplify right side
    79,250x = 15,155,579,664
  5. Step 5: Solve for x
    x = 15,155,579,664/79,250
  6. Step 6: Final answer
    x = 191,237.60

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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.