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Finding the Third Proportional to 225,942.75 and 486,877.50

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Solution

The third proportional to 225,942.75 and 486,877.50 is: 1,049,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,942.75 : 486,877.50 = 486,877.50 : x
  2. Step 2: Convert to fraction form
    225,942.75/486,877.50 = 486,877.50/x
  3. Step 3: Cross multiply
    225,942.75x = 486,877.50 × 486,877.50
  4. Step 4: Simplify right side
    225,942.75x = 237,049,700,006.25
  5. Step 5: Solve for x
    x = 237,049,700,006.25/225,942.75
  6. Step 6: Final answer
    x = 1,049,158.25

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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.