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Finding the Third Proportional to 56,885 and 124,138

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Solution

The third proportional to 56,885 and 124,138 is: 270,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,885 : 124,138 = 124,138 : x
  2. Step 2: Convert to fraction form
    56,885/124,138 = 124,138/x
  3. Step 3: Cross multiply
    56,885x = 124,138 × 124,138
  4. Step 4: Simplify right side
    56,885x = 15,410,243,044
  5. Step 5: Solve for x
    x = 15,410,243,044/56,885
  6. Step 6: Final answer
    x = 270,901.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.