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Finding the Third Proportional to 1,621,083 and 2,542,881

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Solution

The third proportional to 1,621,083 and 2,542,881 is: 3,988,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,083 : 2,542,881 = 2,542,881 : x
  2. Step 2: Convert to fraction form
    1,621,083/2,542,881 = 2,542,881/x
  3. Step 3: Cross multiply
    1,621,083x = 2,542,881 × 2,542,881
  4. Step 4: Simplify right side
    1,621,083x = 6,466,243,780,161
  5. Step 5: Solve for x
    x = 6,466,243,780,161/1,621,083
  6. Step 6: Final answer
    x = 3,988,841.89

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.