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Finding the Third Proportional to 206,301.94 and 315,586.13

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Solution

The third proportional to 206,301.94 and 315,586.13 is: 482,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,301.94 : 315,586.13 = 315,586.13 : x
  2. Step 2: Convert to fraction form
    206,301.94/315,586.13 = 315,586.13/x
  3. Step 3: Cross multiply
    206,301.94x = 315,586.13 × 315,586.13
  4. Step 4: Simplify right side
    206,301.94x = 99,594,602,292.52
  5. Step 5: Solve for x
    x = 99,594,602,292.52/206,301.94
  6. Step 6: Final answer
    x = 482,761.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.