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Finding the Third Proportional to 20,223,538 and 28,615,686

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Solution

The third proportional to 20,223,538 and 28,615,686 is: 40,490,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,538 : 28,615,686 = 28,615,686 : x
  2. Step 2: Convert to fraction form
    20,223,538/28,615,686 = 28,615,686/x
  3. Step 3: Cross multiply
    20,223,538x = 28,615,686 × 28,615,686
  4. Step 4: Simplify right side
    20,223,538x = 818,857,485,250,596
  5. Step 5: Solve for x
    x = 818,857,485,250,596/20,223,538
  6. Step 6: Final answer
    x = 40,490,318.03

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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.