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Finding the Third Proportional to 20,540,161.50 and 31,788,012

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Solution

The third proportional to 20,540,161.50 and 31,788,012 is: 49,195,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,540,161.50 : 31,788,012 = 31,788,012 : x
  2. Step 2: Convert to fraction form
    20,540,161.50/31,788,012 = 31,788,012/x
  3. Step 3: Cross multiply
    20,540,161.50x = 31,788,012 × 31,788,012
  4. Step 4: Simplify right side
    20,540,161.50x = 1,010,477,706,912,144
  5. Step 5: Solve for x
    x = 1,010,477,706,912,144/20,540,161.50
  6. Step 6: Final answer
    x = 49,195,217.23

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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.