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Finding the Third Proportional to 4,639,920 and 10,222,032

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Solution

The third proportional to 4,639,920 and 10,222,032 is: 22,519,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639,920 : 10,222,032 = 10,222,032 : x
  2. Step 2: Convert to fraction form
    4,639,920/10,222,032 = 10,222,032/x
  3. Step 3: Cross multiply
    4,639,920x = 10,222,032 × 10,222,032
  4. Step 4: Simplify right side
    4,639,920x = 104,489,938,209,024
  5. Step 5: Solve for x
    x = 104,489,938,209,024/4,639,920
  6. Step 6: Final answer
    x = 22,519,771.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.