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Finding the Third Proportional to 1,278,100 and 2,800,637

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Solution

The third proportional to 1,278,100 and 2,800,637 is: 6,136,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,100 : 2,800,637 = 2,800,637 : x
  2. Step 2: Convert to fraction form
    1,278,100/2,800,637 = 2,800,637/x
  3. Step 3: Cross multiply
    1,278,100x = 2,800,637 × 2,800,637
  4. Step 4: Simplify right side
    1,278,100x = 7,843,567,605,769
  5. Step 5: Solve for x
    x = 7,843,567,605,769/1,278,100
  6. Step 6: Final answer
    x = 6,136,896.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.