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Finding the Third Proportional to 7,621,764 and 16,348,692

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Solution

The third proportional to 7,621,764 and 16,348,692 is: 35,067,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,764 : 16,348,692 = 16,348,692 : x
  2. Step 2: Convert to fraction form
    7,621,764/16,348,692 = 16,348,692/x
  3. Step 3: Cross multiply
    7,621,764x = 16,348,692 × 16,348,692
  4. Step 4: Simplify right side
    7,621,764x = 267,279,730,110,864
  5. Step 5: Solve for x
    x = 267,279,730,110,864/7,621,764
  6. Step 6: Final answer
    x = 35,067,961.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.