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Finding the Third Proportional to 30,606 and 45,343

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Solution

The third proportional to 30,606 and 45,343 is: 67,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606 : 45,343 = 45,343 : x
  2. Step 2: Convert to fraction form
    30,606/45,343 = 45,343/x
  3. Step 3: Cross multiply
    30,606x = 45,343 × 45,343
  4. Step 4: Simplify right side
    30,606x = 2,055,987,649
  5. Step 5: Solve for x
    x = 2,055,987,649/30,606
  6. Step 6: Final answer
    x = 67,175.97

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.