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Finding the Third Proportional to 20,967 and 45,396

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Solution

The third proportional to 20,967 and 45,396 is: 98,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967 : 45,396 = 45,396 : x
  2. Step 2: Convert to fraction form
    20,967/45,396 = 45,396/x
  3. Step 3: Cross multiply
    20,967x = 45,396 × 45,396
  4. Step 4: Simplify right side
    20,967x = 2,060,796,816
  5. Step 5: Solve for x
    x = 2,060,796,816/20,967
  6. Step 6: Final answer
    x = 98,287.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.