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Finding the Third Proportional to 3,485,671 and 5,280,671

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Solution

The third proportional to 3,485,671 and 5,280,671 is: 8,000,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,671 : 5,280,671 = 5,280,671 : x
  2. Step 2: Convert to fraction form
    3,485,671/5,280,671 = 5,280,671/x
  3. Step 3: Cross multiply
    3,485,671x = 5,280,671 × 5,280,671
  4. Step 4: Simplify right side
    3,485,671x = 27,885,486,210,241
  5. Step 5: Solve for x
    x = 27,885,486,210,241/3,485,671
  6. Step 6: Final answer
    x = 8,000,033.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.