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Finding the Third Proportional to 7,758 and 17,793

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Solution

The third proportional to 7,758 and 17,793 is: 40,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758 : 17,793 = 17,793 : x
  2. Step 2: Convert to fraction form
    7,758/17,793 = 17,793/x
  3. Step 3: Cross multiply
    7,758x = 17,793 × 17,793
  4. Step 4: Simplify right side
    7,758x = 316,590,849
  5. Step 5: Solve for x
    x = 316,590,849/7,758
  6. Step 6: Final answer
    x = 40,808.31

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.