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Finding the Third Proportional to 48,018 and 75,974

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Solution

The third proportional to 48,018 and 75,974 is: 120,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,018 : 75,974 = 75,974 : x
  2. Step 2: Convert to fraction form
    48,018/75,974 = 75,974/x
  3. Step 3: Cross multiply
    48,018x = 75,974 × 75,974
  4. Step 4: Simplify right side
    48,018x = 5,772,048,676
  5. Step 5: Solve for x
    x = 5,772,048,676/48,018
  6. Step 6: Final answer
    x = 120,205.94

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.