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Finding the Third Proportional to 1,275,447 and 2,775,087

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Solution

The third proportional to 1,275,447 and 2,775,087 is: 6,037,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,447 : 2,775,087 = 2,775,087 : x
  2. Step 2: Convert to fraction form
    1,275,447/2,775,087 = 2,775,087/x
  3. Step 3: Cross multiply
    1,275,447x = 2,775,087 × 2,775,087
  4. Step 4: Simplify right side
    1,275,447x = 7,701,107,857,569
  5. Step 5: Solve for x
    x = 7,701,107,857,569/1,275,447
  6. Step 6: Final answer
    x = 6,037,967.75

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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.