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Finding the Third Proportional to 7,765 and 16,765

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Solution

The third proportional to 7,765 and 16,765 is: 36,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765 : 16,765 = 16,765 : x
  2. Step 2: Convert to fraction form
    7,765/16,765 = 16,765/x
  3. Step 3: Cross multiply
    7,765x = 16,765 × 16,765
  4. Step 4: Simplify right side
    7,765x = 281,065,225
  5. Step 5: Solve for x
    x = 281,065,225/7,765
  6. Step 6: Final answer
    x = 36,196.42

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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.