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Finding the Third Proportional to 3,426,689 and 4,548,621

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Solution

The third proportional to 3,426,689 and 4,548,621 is: 6,037,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,689 : 4,548,621 = 4,548,621 : x
  2. Step 2: Convert to fraction form
    3,426,689/4,548,621 = 4,548,621/x
  3. Step 3: Cross multiply
    3,426,689x = 4,548,621 × 4,548,621
  4. Step 4: Simplify right side
    3,426,689x = 20,689,953,001,641
  5. Step 5: Solve for x
    x = 20,689,953,001,641/3,426,689
  6. Step 6: Final answer
    x = 6,037,884.68

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.