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Finding the Third Proportional to 40,885,248 and 90,066,519

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Solution

The third proportional to 40,885,248 and 90,066,519 is: 198,408,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,885,248 : 90,066,519 = 90,066,519 : x
  2. Step 2: Convert to fraction form
    40,885,248/90,066,519 = 90,066,519/x
  3. Step 3: Cross multiply
    40,885,248x = 90,066,519 × 90,066,519
  4. Step 4: Simplify right side
    40,885,248x = 8,111,977,844,777,361
  5. Step 5: Solve for x
    x = 8,111,977,844,777,361/40,885,248
  6. Step 6: Final answer
    x = 198,408,429.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.