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Finding the Third Proportional to 179,634 and 276,939

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Solution

The third proportional to 179,634 and 276,939 is: 426,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,634 : 276,939 = 276,939 : x
  2. Step 2: Convert to fraction form
    179,634/276,939 = 276,939/x
  3. Step 3: Cross multiply
    179,634x = 276,939 × 276,939
  4. Step 4: Simplify right side
    179,634x = 76,695,209,721
  5. Step 5: Solve for x
    x = 76,695,209,721/179,634
  6. Step 6: Final answer
    x = 426,952.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.