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Finding the Third Proportional to 2,639,439 and 4,080,456

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Solution

The third proportional to 2,639,439 and 4,080,456 is: 6,308,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,439 : 4,080,456 = 4,080,456 : x
  2. Step 2: Convert to fraction form
    2,639,439/4,080,456 = 4,080,456/x
  3. Step 3: Cross multiply
    2,639,439x = 4,080,456 × 4,080,456
  4. Step 4: Simplify right side
    2,639,439x = 16,650,121,167,936
  5. Step 5: Solve for x
    x = 16,650,121,167,936/2,639,439
  6. Step 6: Final answer
    x = 6,308,204.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.