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Finding the Third Proportional to 30,843 and 66,058

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Solution

The third proportional to 30,843 and 66,058 is: 141,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843 : 66,058 = 66,058 : x
  2. Step 2: Convert to fraction form
    30,843/66,058 = 66,058/x
  3. Step 3: Cross multiply
    30,843x = 66,058 × 66,058
  4. Step 4: Simplify right side
    30,843x = 4,363,659,364
  5. Step 5: Solve for x
    x = 4,363,659,364/30,843
  6. Step 6: Final answer
    x = 141,479.73

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.