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Finding the Third Proportional to 21,777.75 and 32,581.13

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Solution

The third proportional to 21,777.75 and 32,581.13 is: 48,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777.75 : 32,581.13 = 32,581.13 : x
  2. Step 2: Convert to fraction form
    21,777.75/32,581.13 = 32,581.13/x
  3. Step 3: Cross multiply
    21,777.75x = 32,581.13 × 32,581.13
  4. Step 4: Simplify right side
    21,777.75x = 1,061,529,706.27
  5. Step 5: Solve for x
    x = 1,061,529,706.27/21,777.75
  6. Step 6: Final answer
    x = 48,743.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.