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Finding the Third Proportional to 101,958 and 219,540

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Solution

The third proportional to 101,958 and 219,540 is: 472,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,958 : 219,540 = 219,540 : x
  2. Step 2: Convert to fraction form
    101,958/219,540 = 219,540/x
  3. Step 3: Cross multiply
    101,958x = 219,540 × 219,540
  4. Step 4: Simplify right side
    101,958x = 48,197,811,600
  5. Step 5: Solve for x
    x = 48,197,811,600/101,958
  6. Step 6: Final answer
    x = 472,722.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.