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Finding the Third Proportional to 5,514,652 and 12,117,880

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Solution

The third proportional to 5,514,652 and 12,117,880 is: 26,627,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,652 : 12,117,880 = 12,117,880 : x
  2. Step 2: Convert to fraction form
    5,514,652/12,117,880 = 12,117,880/x
  3. Step 3: Cross multiply
    5,514,652x = 12,117,880 × 12,117,880
  4. Step 4: Simplify right side
    5,514,652x = 146,843,015,694,400
  5. Step 5: Solve for x
    x = 146,843,015,694,400/5,514,652
  6. Step 6: Final answer
    x = 26,627,793.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.