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Finding the Third Proportional to 20,760 and 32,628

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Solution

The third proportional to 20,760 and 32,628 is: 51,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760 : 32,628 = 32,628 : x
  2. Step 2: Convert to fraction form
    20,760/32,628 = 32,628/x
  3. Step 3: Cross multiply
    20,760x = 32,628 × 32,628
  4. Step 4: Simplify right side
    20,760x = 1,064,586,384
  5. Step 5: Solve for x
    x = 1,064,586,384/20,760
  6. Step 6: Final answer
    x = 51,280.65

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.