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Finding the Third Proportional to 264,963 and 396,436.50

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Solution

The third proportional to 264,963 and 396,436.50 is: 593,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,963 : 396,436.50 = 396,436.50 : x
  2. Step 2: Convert to fraction form
    264,963/396,436.50 = 396,436.50/x
  3. Step 3: Cross multiply
    264,963x = 396,436.50 × 396,436.50
  4. Step 4: Simplify right side
    264,963x = 157,161,898,532.25
  5. Step 5: Solve for x
    x = 157,161,898,532.25/264,963
  6. Step 6: Final answer
    x = 593,146.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.