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Finding the Third Proportional to 10,653 and 21,765

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Solution

The third proportional to 10,653 and 21,765 is: 44,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653 : 21,765 = 21,765 : x
  2. Step 2: Convert to fraction form
    10,653/21,765 = 21,765/x
  3. Step 3: Cross multiply
    10,653x = 21,765 × 21,765
  4. Step 4: Simplify right side
    10,653x = 473,715,225
  5. Step 5: Solve for x
    x = 473,715,225/10,653
  6. Step 6: Final answer
    x = 44,467.78

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.