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Finding the Third Proportional to 18,027,692 and 38,200,832

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Solution

The third proportional to 18,027,692 and 38,200,832 is: 80,947,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027,692 : 38,200,832 = 38,200,832 : x
  2. Step 2: Convert to fraction form
    18,027,692/38,200,832 = 38,200,832/x
  3. Step 3: Cross multiply
    18,027,692x = 38,200,832 × 38,200,832
  4. Step 4: Simplify right side
    18,027,692x = 1,459,303,565,492,224
  5. Step 5: Solve for x
    x = 1,459,303,565,492,224/18,027,692
  6. Step 6: Final answer
    x = 80,947,886.48

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.