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Finding the Third Proportional to 68,610.75 and 150,181.50

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Solution

The third proportional to 68,610.75 and 150,181.50 is: 328,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,610.75 : 150,181.50 = 150,181.50 : x
  2. Step 2: Convert to fraction form
    68,610.75/150,181.50 = 150,181.50/x
  3. Step 3: Cross multiply
    68,610.75x = 150,181.50 × 150,181.50
  4. Step 4: Simplify right side
    68,610.75x = 22,554,482,942.25
  5. Step 5: Solve for x
    x = 22,554,482,942.25/68,610.75
  6. Step 6: Final answer
    x = 328,731.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.