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Finding the Third Proportional to 148,390 and 349,938

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Solution

The third proportional to 148,390 and 349,938 is: 825,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,390 : 349,938 = 349,938 : x
  2. Step 2: Convert to fraction form
    148,390/349,938 = 349,938/x
  3. Step 3: Cross multiply
    148,390x = 349,938 × 349,938
  4. Step 4: Simplify right side
    148,390x = 122,456,603,844
  5. Step 5: Solve for x
    x = 122,456,603,844/148,390
  6. Step 6: Final answer
    x = 825,234.88

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.