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Finding the Third Proportional to 78,626.25 and 169,767

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Solution

The third proportional to 78,626.25 and 169,767 is: 366,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,626.25 : 169,767 = 169,767 : x
  2. Step 2: Convert to fraction form
    78,626.25/169,767 = 169,767/x
  3. Step 3: Cross multiply
    78,626.25x = 169,767 × 169,767
  4. Step 4: Simplify right side
    78,626.25x = 28,820,834,289
  5. Step 5: Solve for x
    x = 28,820,834,289/78,626.25
  6. Step 6: Final answer
    x = 366,554.86

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.