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Finding the Third Proportional to 200,151.75 and 439,669.50

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Solution

The third proportional to 200,151.75 and 439,669.50 is: 965,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,151.75 : 439,669.50 = 439,669.50 : x
  2. Step 2: Convert to fraction form
    200,151.75/439,669.50 = 439,669.50/x
  3. Step 3: Cross multiply
    200,151.75x = 439,669.50 × 439,669.50
  4. Step 4: Simplify right side
    200,151.75x = 193,309,269,230.25
  5. Step 5: Solve for x
    x = 193,309,269,230.25/200,151.75
  6. Step 6: Final answer
    x = 965,813.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.