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Finding the Third Proportional to 2,203,955 and 3,405,671

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Solution

The third proportional to 2,203,955 and 3,405,671 is: 5,262,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203,955 : 3,405,671 = 3,405,671 : x
  2. Step 2: Convert to fraction form
    2,203,955/3,405,671 = 3,405,671/x
  3. Step 3: Cross multiply
    2,203,955x = 3,405,671 × 3,405,671
  4. Step 4: Simplify right side
    2,203,955x = 11,598,594,960,241
  5. Step 5: Solve for x
    x = 11,598,594,960,241/2,203,955
  6. Step 6: Final answer
    x = 5,262,627.85

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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.