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Finding the Third Proportional to 296,058 and 451,449

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Solution

The third proportional to 296,058 and 451,449 is: 688,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,058 : 451,449 = 451,449 : x
  2. Step 2: Convert to fraction form
    296,058/451,449 = 451,449/x
  3. Step 3: Cross multiply
    296,058x = 451,449 × 451,449
  4. Step 4: Simplify right side
    296,058x = 203,806,199,601
  5. Step 5: Solve for x
    x = 203,806,199,601/296,058
  6. Step 6: Final answer
    x = 688,399.57

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.