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Finding the Third Proportional to 1,817,890 and 3,954,996

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Solution

The third proportional to 1,817,890 and 3,954,996 is: 8,604,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,890 : 3,954,996 = 3,954,996 : x
  2. Step 2: Convert to fraction form
    1,817,890/3,954,996 = 3,954,996/x
  3. Step 3: Cross multiply
    1,817,890x = 3,954,996 × 3,954,996
  4. Step 4: Simplify right side
    1,817,890x = 15,641,993,360,016
  5. Step 5: Solve for x
    x = 15,641,993,360,016/1,817,890
  6. Step 6: Final answer
    x = 8,604,477.37

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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.