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Finding the Third Proportional to 21,768.47 and 44,459.44

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Solution

The third proportional to 21,768.47 and 44,459.44 is: 90,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.47 : 44,459.44 = 44,459.44 : x
  2. Step 2: Convert to fraction form
    21,768.47/44,459.44 = 44,459.44/x
  3. Step 3: Cross multiply
    21,768.47x = 44,459.44 × 44,459.44
  4. Step 4: Simplify right side
    21,768.47x = 1,976,641,582.82
  5. Step 5: Solve for x
    x = 1,976,641,582.82/21,768.47
  6. Step 6: Final answer
    x = 90,802.97

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.