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Finding the Third Proportional to 201,143.25 and 296,149.50

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Solution

The third proportional to 201,143.25 and 296,149.50 is: 436,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,143.25 : 296,149.50 = 296,149.50 : x
  2. Step 2: Convert to fraction form
    201,143.25/296,149.50 = 296,149.50/x
  3. Step 3: Cross multiply
    201,143.25x = 296,149.50 × 296,149.50
  4. Step 4: Simplify right side
    201,143.25x = 87,704,526,350.25
  5. Step 5: Solve for x
    x = 87,704,526,350.25/201,143.25
  6. Step 6: Final answer
    x = 436,030.17

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.