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Finding the Third Proportional to 54,702 and 117,180

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Solution

The third proportional to 54,702 and 117,180 is: 251,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,702 : 117,180 = 117,180 : x
  2. Step 2: Convert to fraction form
    54,702/117,180 = 117,180/x
  3. Step 3: Cross multiply
    54,702x = 117,180 × 117,180
  4. Step 4: Simplify right side
    54,702x = 13,731,152,400
  5. Step 5: Solve for x
    x = 13,731,152,400/54,702
  6. Step 6: Final answer
    x = 251,017.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.