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Finding the Third Proportional to 56,686 and 124,146

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Solution

The third proportional to 56,686 and 124,146 is: 271,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686 : 124,146 = 124,146 : x
  2. Step 2: Convert to fraction form
    56,686/124,146 = 124,146/x
  3. Step 3: Cross multiply
    56,686x = 124,146 × 124,146
  4. Step 4: Simplify right side
    56,686x = 15,412,229,316
  5. Step 5: Solve for x
    x = 15,412,229,316/56,686
  6. Step 6: Final answer
    x = 271,887.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.