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Finding the Third Proportional to 1,926,999 and 4,149,972

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Solution

The third proportional to 1,926,999 and 4,149,972 is: 8,937,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,999 : 4,149,972 = 4,149,972 : x
  2. Step 2: Convert to fraction form
    1,926,999/4,149,972 = 4,149,972/x
  3. Step 3: Cross multiply
    1,926,999x = 4,149,972 × 4,149,972
  4. Step 4: Simplify right side
    1,926,999x = 17,222,267,600,784
  5. Step 5: Solve for x
    x = 17,222,267,600,784/1,926,999
  6. Step 6: Final answer
    x = 8,937,351.60

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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.