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Finding the Third Proportional to 21,686,022 and 45,169,920

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Solution

The third proportional to 21,686,022 and 45,169,920 is: 94,084,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686,022 : 45,169,920 = 45,169,920 : x
  2. Step 2: Convert to fraction form
    21,686,022/45,169,920 = 45,169,920/x
  3. Step 3: Cross multiply
    21,686,022x = 45,169,920 × 45,169,920
  4. Step 4: Simplify right side
    21,686,022x = 2,040,321,672,806,400
  5. Step 5: Solve for x
    x = 2,040,321,672,806,400/21,686,022
  6. Step 6: Final answer
    x = 94,084,644.61

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.