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Finding the Third Proportional to 51,004 and 77,974

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Solution

The third proportional to 51,004 and 77,974 is: 119,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,004 : 77,974 = 77,974 : x
  2. Step 2: Convert to fraction form
    51,004/77,974 = 77,974/x
  3. Step 3: Cross multiply
    51,004x = 77,974 × 77,974
  4. Step 4: Simplify right side
    51,004x = 6,079,944,676
  5. Step 5: Solve for x
    x = 6,079,944,676/51,004
  6. Step 6: Final answer
    x = 119,205.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.