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Finding the Third Proportional to 1,721,943 and 3,753,909

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Solution

The third proportional to 1,721,943 and 3,753,909 is: 8,183,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,943 : 3,753,909 = 3,753,909 : x
  2. Step 2: Convert to fraction form
    1,721,943/3,753,909 = 3,753,909/x
  3. Step 3: Cross multiply
    1,721,943x = 3,753,909 × 3,753,909
  4. Step 4: Simplify right side
    1,721,943x = 14,091,832,780,281
  5. Step 5: Solve for x
    x = 14,091,832,780,281/1,721,943
  6. Step 6: Final answer
    x = 8,183,681.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.