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Finding the Third Proportional to 34,784 and 75,848

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Solution

The third proportional to 34,784 and 75,848 is: 165,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,784 : 75,848 = 75,848 : x
  2. Step 2: Convert to fraction form
    34,784/75,848 = 75,848/x
  3. Step 3: Cross multiply
    34,784x = 75,848 × 75,848
  4. Step 4: Simplify right side
    34,784x = 5,752,919,104
  5. Step 5: Solve for x
    x = 5,752,919,104/34,784
  6. Step 6: Final answer
    x = 165,389.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.