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Finding the Third Proportional to 20,223,538 and 28,615,682

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Solution

The third proportional to 20,223,538 and 28,615,682 is: 40,490,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,538 : 28,615,682 = 28,615,682 : x
  2. Step 2: Convert to fraction form
    20,223,538/28,615,682 = 28,615,682/x
  3. Step 3: Cross multiply
    20,223,538x = 28,615,682 × 28,615,682
  4. Step 4: Simplify right side
    20,223,538x = 818,857,256,325,124
  5. Step 5: Solve for x
    x = 818,857,256,325,124/20,223,538
  6. Step 6: Final answer
    x = 40,490,306.71

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.