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Finding the Third Proportional to 20,581,786.97 and 28,221,528.94

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Solution

The third proportional to 20,581,786.97 and 28,221,528.94 is: 38,697,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,786.97 : 28,221,528.94 = 28,221,528.94 : x
  2. Step 2: Convert to fraction form
    20,581,786.97/28,221,528.94 = 28,221,528.94/x
  3. Step 3: Cross multiply
    20,581,786.97x = 28,221,528.94 × 28,221,528.94
  4. Step 4: Simplify right side
    20,581,786.97x = 796,454,695,570,149.88
  5. Step 5: Solve for x
    x = 796,454,695,570,149.88/20,581,786.97
  6. Step 6: Final answer
    x = 38,697,062.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.