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Finding the Third Proportional to 1,281,616.50 and 2,728,878

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Solution

The third proportional to 1,281,616.50 and 2,728,878 is: 5,810,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,616.50 : 2,728,878 = 2,728,878 : x
  2. Step 2: Convert to fraction form
    1,281,616.50/2,728,878 = 2,728,878/x
  3. Step 3: Cross multiply
    1,281,616.50x = 2,728,878 × 2,728,878
  4. Step 4: Simplify right side
    1,281,616.50x = 7,446,775,138,884
  5. Step 5: Solve for x
    x = 7,446,775,138,884/1,281,616.50
  6. Step 6: Final answer
    x = 5,810,455.11

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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.