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Finding the Third Proportional to 20,036 and 28,860

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Solution

The third proportional to 20,036 and 28,860 is: 41,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036 : 28,860 = 28,860 : x
  2. Step 2: Convert to fraction form
    20,036/28,860 = 28,860/x
  3. Step 3: Cross multiply
    20,036x = 28,860 × 28,860
  4. Step 4: Simplify right side
    20,036x = 832,899,600
  5. Step 5: Solve for x
    x = 832,899,600/20,036
  6. Step 6: Final answer
    x = 41,570.15

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.