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Finding the Third Proportional to 87,768 and 135,768

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Solution

The third proportional to 87,768 and 135,768 is: 210,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,768 : 135,768 = 135,768 : x
  2. Step 2: Convert to fraction form
    87,768/135,768 = 135,768/x
  3. Step 3: Cross multiply
    87,768x = 135,768 × 135,768
  4. Step 4: Simplify right side
    87,768x = 18,432,949,824
  5. Step 5: Solve for x
    x = 18,432,949,824/87,768
  6. Step 6: Final answer
    x = 210,019.03

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.