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Finding the Third Proportional to 323,148.75 and 694,273.50

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Solution

The third proportional to 323,148.75 and 694,273.50 is: 1,491,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,148.75 : 694,273.50 = 694,273.50 : x
  2. Step 2: Convert to fraction form
    323,148.75/694,273.50 = 694,273.50/x
  3. Step 3: Cross multiply
    323,148.75x = 694,273.50 × 694,273.50
  4. Step 4: Simplify right side
    323,148.75x = 482,015,692,802.25
  5. Step 5: Solve for x
    x = 482,015,692,802.25/323,148.75
  6. Step 6: Final answer
    x = 1,491,621.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.