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Finding the Third Proportional to 18,251,256 and 40,071,696

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Solution

The third proportional to 18,251,256 and 40,071,696 is: 87,979,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251,256 : 40,071,696 = 40,071,696 : x
  2. Step 2: Convert to fraction form
    18,251,256/40,071,696 = 40,071,696/x
  3. Step 3: Cross multiply
    18,251,256x = 40,071,696 × 40,071,696
  4. Step 4: Simplify right side
    18,251,256x = 1,605,740,820,316,416
  5. Step 5: Solve for x
    x = 1,605,740,820,316,416/18,251,256
  6. Step 6: Final answer
    x = 87,979,743.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.