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Finding the Third Proportional to 4,637,620 and 9,961,957

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Solution

The third proportional to 4,637,620 and 9,961,957 is: 21,399,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637,620 : 9,961,957 = 9,961,957 : x
  2. Step 2: Convert to fraction form
    4,637,620/9,961,957 = 9,961,957/x
  3. Step 3: Cross multiply
    4,637,620x = 9,961,957 × 9,961,957
  4. Step 4: Simplify right side
    4,637,620x = 99,240,587,269,849
  5. Step 5: Solve for x
    x = 99,240,587,269,849/4,637,620
  6. Step 6: Final answer
    x = 21,399,033.83

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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.