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Finding the Third Proportional to 48,055 and 103,215

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Solution

The third proportional to 48,055 and 103,215 is: 221,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,055 : 103,215 = 103,215 : x
  2. Step 2: Convert to fraction form
    48,055/103,215 = 103,215/x
  3. Step 3: Cross multiply
    48,055x = 103,215 × 103,215
  4. Step 4: Simplify right side
    48,055x = 10,653,336,225
  5. Step 5: Solve for x
    x = 10,653,336,225/48,055
  6. Step 6: Final answer
    x = 221,690.48

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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.