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Finding the Third Proportional to 20,118 and 43,303

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Solution

The third proportional to 20,118 and 43,303 is: 93,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118 : 43,303 = 43,303 : x
  2. Step 2: Convert to fraction form
    20,118/43,303 = 43,303/x
  3. Step 3: Cross multiply
    20,118x = 43,303 × 43,303
  4. Step 4: Simplify right side
    20,118x = 1,875,149,809
  5. Step 5: Solve for x
    x = 1,875,149,809/20,118
  6. Step 6: Final answer
    x = 93,207.57

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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.