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Finding the Third Proportional to 135,472 and 201,244

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Solution

The third proportional to 135,472 and 201,244 is: 298,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,472 : 201,244 = 201,244 : x
  2. Step 2: Convert to fraction form
    135,472/201,244 = 201,244/x
  3. Step 3: Cross multiply
    135,472x = 201,244 × 201,244
  4. Step 4: Simplify right side
    135,472x = 40,499,147,536
  5. Step 5: Solve for x
    x = 40,499,147,536/135,472
  6. Step 6: Final answer
    x = 298,948.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.