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Finding the Third Proportional to 207,778.50 and 447,612.75

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Solution

The third proportional to 207,778.50 and 447,612.75 is: 964,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,778.50 : 447,612.75 = 447,612.75 : x
  2. Step 2: Convert to fraction form
    207,778.50/447,612.75 = 447,612.75/x
  3. Step 3: Cross multiply
    207,778.50x = 447,612.75 × 447,612.75
  4. Step 4: Simplify right side
    207,778.50x = 200,357,173,962.56
  5. Step 5: Solve for x
    x = 200,357,173,962.56/207,778.50
  6. Step 6: Final answer
    x = 964,282.51

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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.