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Finding the Third Proportional to 1,555,671 and 2,540,255

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Solution

The third proportional to 1,555,671 and 2,540,255 is: 4,147,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,671 : 2,540,255 = 2,540,255 : x
  2. Step 2: Convert to fraction form
    1,555,671/2,540,255 = 2,540,255/x
  3. Step 3: Cross multiply
    1,555,671x = 2,540,255 × 2,540,255
  4. Step 4: Simplify right side
    1,555,671x = 6,452,895,465,025
  5. Step 5: Solve for x
    x = 6,452,895,465,025/1,555,671
  6. Step 6: Final answer
    x = 4,147,982.10

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.