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Finding the Third Proportional to 28,505,934 and 38,728,818

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Solution

The third proportional to 28,505,934 and 38,728,818 is: 52,617,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,505,934 : 38,728,818 = 38,728,818 : x
  2. Step 2: Convert to fraction form
    28,505,934/38,728,818 = 38,728,818/x
  3. Step 3: Cross multiply
    28,505,934x = 38,728,818 × 38,728,818
  4. Step 4: Simplify right side
    28,505,934x = 1,499,921,343,677,124
  5. Step 5: Solve for x
    x = 1,499,921,343,677,124/28,505,934
  6. Step 6: Final answer
    x = 52,617,863.48

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.