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Finding the Third Proportional to 18,192,902 and 39,804,074

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Solution

The third proportional to 18,192,902 and 39,804,074 is: 87,086,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,902 : 39,804,074 = 39,804,074 : x
  2. Step 2: Convert to fraction form
    18,192,902/39,804,074 = 39,804,074/x
  3. Step 3: Cross multiply
    18,192,902x = 39,804,074 × 39,804,074
  4. Step 4: Simplify right side
    18,192,902x = 1,584,364,306,997,476
  5. Step 5: Solve for x
    x = 1,584,364,306,997,476/18,192,902
  6. Step 6: Final answer
    x = 87,086,947.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.