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Finding the Third Proportional to 20,190,142 and 31,322,268

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Solution

The third proportional to 20,190,142 and 31,322,268 is: 48,592,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,142 : 31,322,268 = 31,322,268 : x
  2. Step 2: Convert to fraction form
    20,190,142/31,322,268 = 31,322,268/x
  3. Step 3: Cross multiply
    20,190,142x = 31,322,268 × 31,322,268
  4. Step 4: Simplify right side
    20,190,142x = 981,084,472,663,824
  5. Step 5: Solve for x
    x = 981,084,472,663,824/20,190,142
  6. Step 6: Final answer
    x = 48,592,252.23

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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.