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Finding the Third Proportional to 129,062.11 and 276,807.38

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Solution

The third proportional to 129,062.11 and 276,807.38 is: 593,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,062.11 : 276,807.38 = 276,807.38 : x
  2. Step 2: Convert to fraction form
    129,062.11/276,807.38 = 276,807.38/x
  3. Step 3: Cross multiply
    129,062.11x = 276,807.38 × 276,807.38
  4. Step 4: Simplify right side
    129,062.11x = 76,622,322,854.39
  5. Step 5: Solve for x
    x = 76,622,322,854.39/129,062.11
  6. Step 6: Final answer
    x = 593,685.65

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.