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Finding the Third Proportional to 1,855,610 and 3,954,220

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Solution

The third proportional to 1,855,610 and 3,954,220 is: 8,426,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,610 : 3,954,220 = 3,954,220 : x
  2. Step 2: Convert to fraction form
    1,855,610/3,954,220 = 3,954,220/x
  3. Step 3: Cross multiply
    1,855,610x = 3,954,220 × 3,954,220
  4. Step 4: Simplify right side
    1,855,610x = 15,635,855,808,400
  5. Step 5: Solve for x
    x = 15,635,855,808,400/1,855,610
  6. Step 6: Final answer
    x = 8,426,261.88

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.