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Finding the Third Proportional to 202,200.75 and 317,166.75

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Solution

The third proportional to 202,200.75 and 317,166.75 is: 497,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,200.75 : 317,166.75 = 317,166.75 : x
  2. Step 2: Convert to fraction form
    202,200.75/317,166.75 = 317,166.75/x
  3. Step 3: Cross multiply
    202,200.75x = 317,166.75 × 317,166.75
  4. Step 4: Simplify right side
    202,200.75x = 100,594,747,305.56
  5. Step 5: Solve for x
    x = 100,594,747,305.56/202,200.75
  6. Step 6: Final answer
    x = 497,499.38

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.