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Finding the Third Proportional to 75,074 and 163,126

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Solution

The third proportional to 75,074 and 163,126 is: 354,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,074 : 163,126 = 163,126 : x
  2. Step 2: Convert to fraction form
    75,074/163,126 = 163,126/x
  3. Step 3: Cross multiply
    75,074x = 163,126 × 163,126
  4. Step 4: Simplify right side
    75,074x = 26,610,091,876
  5. Step 5: Solve for x
    x = 26,610,091,876/75,074
  6. Step 6: Final answer
    x = 354,451.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.