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Finding the Third Proportional to 18,046,840 and 37,580,831

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Solution

The third proportional to 18,046,840 and 37,580,831 is: 78,258,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046,840 : 37,580,831 = 37,580,831 : x
  2. Step 2: Convert to fraction form
    18,046,840/37,580,831 = 37,580,831/x
  3. Step 3: Cross multiply
    18,046,840x = 37,580,831 × 37,580,831
  4. Step 4: Simplify right side
    18,046,840x = 1,412,318,858,650,561
  5. Step 5: Solve for x
    x = 1,412,318,858,650,561/18,046,840
  6. Step 6: Final answer
    x = 78,258,512.77

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.