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Finding the Third Proportional to 202,441.50 and 288,382.75

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Solution

The third proportional to 202,441.50 and 288,382.75 is: 410,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,441.50 : 288,382.75 = 288,382.75 : x
  2. Step 2: Convert to fraction form
    202,441.50/288,382.75 = 288,382.75/x
  3. Step 3: Cross multiply
    202,441.50x = 288,382.75 × 288,382.75
  4. Step 4: Simplify right side
    202,441.50x = 83,164,610,497.56
  5. Step 5: Solve for x
    x = 83,164,610,497.56/202,441.50
  6. Step 6: Final answer
    x = 410,808.11

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.