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Finding the Third Proportional to 56,168 and 124,790

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Solution

The third proportional to 56,168 and 124,790 is: 277,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168 : 124,790 = 124,790 : x
  2. Step 2: Convert to fraction form
    56,168/124,790 = 124,790/x
  3. Step 3: Cross multiply
    56,168x = 124,790 × 124,790
  4. Step 4: Simplify right side
    56,168x = 15,572,544,100
  5. Step 5: Solve for x
    x = 15,572,544,100/56,168
  6. Step 6: Final answer
    x = 277,249.40

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.