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Finding the Third Proportional to 17,990,782 and 38,854,078

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Solution

The third proportional to 17,990,782 and 38,854,078 is: 83,911,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990,782 : 38,854,078 = 38,854,078 : x
  2. Step 2: Convert to fraction form
    17,990,782/38,854,078 = 38,854,078/x
  3. Step 3: Cross multiply
    17,990,782x = 38,854,078 × 38,854,078
  4. Step 4: Simplify right side
    17,990,782x = 1,509,639,377,230,084
  5. Step 5: Solve for x
    x = 1,509,639,377,230,084/17,990,782
  6. Step 6: Final answer
    x = 83,911,826.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.