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Finding the Third Proportional to 69,126 and 161,871

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Solution

The third proportional to 69,126 and 161,871 is: 379,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126 : 161,871 = 161,871 : x
  2. Step 2: Convert to fraction form
    69,126/161,871 = 161,871/x
  3. Step 3: Cross multiply
    69,126x = 161,871 × 161,871
  4. Step 4: Simplify right side
    69,126x = 26,202,220,641
  5. Step 5: Solve for x
    x = 26,202,220,641/69,126
  6. Step 6: Final answer
    x = 379,050.15

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.