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Finding the Third Proportional to 203,482 and 299,339

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Solution

The third proportional to 203,482 and 299,339 is: 440,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,482 : 299,339 = 299,339 : x
  2. Step 2: Convert to fraction form
    203,482/299,339 = 299,339/x
  3. Step 3: Cross multiply
    203,482x = 299,339 × 299,339
  4. Step 4: Simplify right side
    203,482x = 89,603,836,921
  5. Step 5: Solve for x
    x = 89,603,836,921/203,482
  6. Step 6: Final answer
    x = 440,352.65

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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.