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Finding the Third Proportional to 336,939.75 and 495,517.50

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Solution

The third proportional to 336,939.75 and 495,517.50 is: 728,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,939.75 : 495,517.50 = 495,517.50 : x
  2. Step 2: Convert to fraction form
    336,939.75/495,517.50 = 495,517.50/x
  3. Step 3: Cross multiply
    336,939.75x = 495,517.50 × 495,517.50
  4. Step 4: Simplify right side
    336,939.75x = 245,537,592,806.25
  5. Step 5: Solve for x
    x = 245,537,592,806.25/336,939.75
  6. Step 6: Final answer
    x = 728,728.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.