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Finding the Third Proportional to 33,030 and 47,218

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Solution

The third proportional to 33,030 and 47,218 is: 67,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,030 : 47,218 = 47,218 : x
  2. Step 2: Convert to fraction form
    33,030/47,218 = 47,218/x
  3. Step 3: Cross multiply
    33,030x = 47,218 × 47,218
  4. Step 4: Simplify right side
    33,030x = 2,229,539,524
  5. Step 5: Solve for x
    x = 2,229,539,524/33,030
  6. Step 6: Final answer
    x = 67,500.44

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.