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Finding the Third Proportional to 56,887 and 124,126

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Solution

The third proportional to 56,887 and 124,126 is: 270,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,887 : 124,126 = 124,126 : x
  2. Step 2: Convert to fraction form
    56,887/124,126 = 124,126/x
  3. Step 3: Cross multiply
    56,887x = 124,126 × 124,126
  4. Step 4: Simplify right side
    56,887x = 15,407,263,876
  5. Step 5: Solve for x
    x = 15,407,263,876/56,887
  6. Step 6: Final answer
    x = 270,839.80

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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.