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Finding the Third Proportional to 18,193,504 and 39,456,720

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Solution

The third proportional to 18,193,504 and 39,456,720 is: 85,570,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,504 : 39,456,720 = 39,456,720 : x
  2. Step 2: Convert to fraction form
    18,193,504/39,456,720 = 39,456,720/x
  3. Step 3: Cross multiply
    18,193,504x = 39,456,720 × 39,456,720
  4. Step 4: Simplify right side
    18,193,504x = 1,556,832,753,158,400
  5. Step 5: Solve for x
    x = 1,556,832,753,158,400/18,193,504
  6. Step 6: Final answer
    x = 85,570,803.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.