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Finding the Third Proportional to 68,912.25 and 110,567.25

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Solution

The third proportional to 68,912.25 and 110,567.25 is: 177,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912.25 : 110,567.25 = 110,567.25 : x
  2. Step 2: Convert to fraction form
    68,912.25/110,567.25 = 110,567.25/x
  3. Step 3: Cross multiply
    68,912.25x = 110,567.25 × 110,567.25
  4. Step 4: Simplify right side
    68,912.25x = 12,225,116,772.56
  5. Step 5: Solve for x
    x = 12,225,116,772.56/68,912.25
  6. Step 6: Final answer
    x = 177,401.21

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.