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Finding the Third Proportional to 147,757.50 and 313,969.50

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Solution

The third proportional to 147,757.50 and 313,969.50 is: 667,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,757.50 : 313,969.50 = 313,969.50 : x
  2. Step 2: Convert to fraction form
    147,757.50/313,969.50 = 313,969.50/x
  3. Step 3: Cross multiply
    147,757.50x = 313,969.50 × 313,969.50
  4. Step 4: Simplify right side
    147,757.50x = 98,576,846,930.25
  5. Step 5: Solve for x
    x = 98,576,846,930.25/147,757.50
  6. Step 6: Final answer
    x = 667,152.92

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.