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Finding the Third Proportional to 18,512,023 and 39,868,832

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Solution

The third proportional to 18,512,023 and 39,868,832 is: 85,864,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512,023 : 39,868,832 = 39,868,832 : x
  2. Step 2: Convert to fraction form
    18,512,023/39,868,832 = 39,868,832/x
  3. Step 3: Cross multiply
    18,512,023x = 39,868,832 × 39,868,832
  4. Step 4: Simplify right side
    18,512,023x = 1,589,523,765,044,224
  5. Step 5: Solve for x
    x = 1,589,523,765,044,224/18,512,023
  6. Step 6: Final answer
    x = 85,864,400.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.