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Finding the Third Proportional to 48,211 and 103,664

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Solution

The third proportional to 48,211 and 103,664 is: 222,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,211 : 103,664 = 103,664 : x
  2. Step 2: Convert to fraction form
    48,211/103,664 = 103,664/x
  3. Step 3: Cross multiply
    48,211x = 103,664 × 103,664
  4. Step 4: Simplify right side
    48,211x = 10,746,224,896
  5. Step 5: Solve for x
    x = 10,746,224,896/48,211
  6. Step 6: Final answer
    x = 222,899.85

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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.