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Finding the Third Proportional to 79,360 and 105,792

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Solution

The third proportional to 79,360 and 105,792 is: 141,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,360 : 105,792 = 105,792 : x
  2. Step 2: Convert to fraction form
    79,360/105,792 = 105,792/x
  3. Step 3: Cross multiply
    79,360x = 105,792 × 105,792
  4. Step 4: Simplify right side
    79,360x = 11,191,947,264
  5. Step 5: Solve for x
    x = 11,191,947,264/79,360
  6. Step 6: Final answer
    x = 141,027.56

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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.