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Finding the Third Proportional to 8,315 and 17,935

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Solution

The third proportional to 8,315 and 17,935 is: 38,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315 : 17,935 = 17,935 : x
  2. Step 2: Convert to fraction form
    8,315/17,935 = 17,935/x
  3. Step 3: Cross multiply
    8,315x = 17,935 × 17,935
  4. Step 4: Simplify right side
    8,315x = 321,664,225
  5. Step 5: Solve for x
    x = 321,664,225/8,315
  6. Step 6: Final answer
    x = 38,684.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.