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Finding the Third Proportional to 54,705.75 and 117,781.25

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Solution

The third proportional to 54,705.75 and 117,781.25 is: 253,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.75 : 117,781.25 = 117,781.25 : x
  2. Step 2: Convert to fraction form
    54,705.75/117,781.25 = 117,781.25/x
  3. Step 3: Cross multiply
    54,705.75x = 117,781.25 × 117,781.25
  4. Step 4: Simplify right side
    54,705.75x = 13,872,422,851.56
  5. Step 5: Solve for x
    x = 13,872,422,851.56/54,705.75
  6. Step 6: Final answer
    x = 253,582.54

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.