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Finding the Third Proportional to 48,015 and 103,137

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Solution

The third proportional to 48,015 and 103,137 is: 221,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,015 : 103,137 = 103,137 : x
  2. Step 2: Convert to fraction form
    48,015/103,137 = 103,137/x
  3. Step 3: Cross multiply
    48,015x = 103,137 × 103,137
  4. Step 4: Simplify right side
    48,015x = 10,637,240,769
  5. Step 5: Solve for x
    x = 10,637,240,769/48,015
  6. Step 6: Final answer
    x = 221,539.95

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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.