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Finding the Third Proportional to 20,540,161 and 31,788,011

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Solution

The third proportional to 20,540,161 and 31,788,011 is: 49,195,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,540,161 : 31,788,011 = 31,788,011 : x
  2. Step 2: Convert to fraction form
    20,540,161/31,788,011 = 31,788,011/x
  3. Step 3: Cross multiply
    20,540,161x = 31,788,011 × 31,788,011
  4. Step 4: Simplify right side
    20,540,161x = 1,010,477,643,336,121
  5. Step 5: Solve for x
    x = 1,010,477,643,336,121/20,540,161
  6. Step 6: Final answer
    x = 49,195,215.33

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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.