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Finding the Third Proportional to 69,871 and 150,813

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Solution

The third proportional to 69,871 and 150,813 is: 325,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871 : 150,813 = 150,813 : x
  2. Step 2: Convert to fraction form
    69,871/150,813 = 150,813/x
  3. Step 3: Cross multiply
    69,871x = 150,813 × 150,813
  4. Step 4: Simplify right side
    69,871x = 22,744,560,969
  5. Step 5: Solve for x
    x = 22,744,560,969/69,871
  6. Step 6: Final answer
    x = 325,522.19

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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.