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Finding the Third Proportional to 18,248,857.50 and 28,246,851

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Solution

The third proportional to 18,248,857.50 and 28,246,851 is: 43,722,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248,857.50 : 28,246,851 = 28,246,851 : x
  2. Step 2: Convert to fraction form
    18,248,857.50/28,246,851 = 28,246,851/x
  3. Step 3: Cross multiply
    18,248,857.50x = 28,246,851 × 28,246,851
  4. Step 4: Simplify right side
    18,248,857.50x = 797,884,591,416,201
  5. Step 5: Solve for x
    x = 797,884,591,416,201/18,248,857.50
  6. Step 6: Final answer
    x = 43,722,440.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.