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Finding the Third Proportional to 20,936,668 and 31,509,834

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Solution

The third proportional to 20,936,668 and 31,509,834 is: 47,422,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,936,668 : 31,509,834 = 31,509,834 : x
  2. Step 2: Convert to fraction form
    20,936,668/31,509,834 = 31,509,834/x
  3. Step 3: Cross multiply
    20,936,668x = 31,509,834 × 31,509,834
  4. Step 4: Simplify right side
    20,936,668x = 992,869,638,707,556
  5. Step 5: Solve for x
    x = 992,869,638,707,556/20,936,668
  6. Step 6: Final answer
    x = 47,422,523.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.