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Finding the Third Proportional to 4,503,067.17 and 9,689,981.91

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Solution

The third proportional to 4,503,067.17 and 9,689,981.91 is: 20,851,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503,067.17 : 9,689,981.91 = 9,689,981.91 : x
  2. Step 2: Convert to fraction form
    4,503,067.17/9,689,981.91 = 9,689,981.91/x
  3. Step 3: Cross multiply
    4,503,067.17x = 9,689,981.91 × 9,689,981.91
  4. Step 4: Simplify right side
    4,503,067.17x = 93,895,749,343,452.39
  5. Step 5: Solve for x
    x = 93,895,749,343,452.39/4,503,067.17
  6. Step 6: Final answer
    x = 20,851,509.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.