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Finding the Third Proportional to 206,754.75 and 310,216.50

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Solution

The third proportional to 206,754.75 and 310,216.50 is: 465,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,754.75 : 310,216.50 = 310,216.50 : x
  2. Step 2: Convert to fraction form
    206,754.75/310,216.50 = 310,216.50/x
  3. Step 3: Cross multiply
    206,754.75x = 310,216.50 × 310,216.50
  4. Step 4: Simplify right side
    206,754.75x = 96,234,276,872.25
  5. Step 5: Solve for x
    x = 96,234,276,872.25/206,754.75
  6. Step 6: Final answer
    x = 465,451.35

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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.