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Finding the Third Proportional to 21,027 and 48,679.50

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Solution

The third proportional to 21,027 and 48,679.50 is: 112,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027 : 48,679.50 = 48,679.50 : x
  2. Step 2: Convert to fraction form
    21,027/48,679.50 = 48,679.50/x
  3. Step 3: Cross multiply
    21,027x = 48,679.50 × 48,679.50
  4. Step 4: Simplify right side
    21,027x = 2,369,693,720.25
  5. Step 5: Solve for x
    x = 2,369,693,720.25/21,027
  6. Step 6: Final answer
    x = 112,697.66

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.