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Finding the Third Proportional to 40,885,236 and 90,066,492

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Solution

The third proportional to 40,885,236 and 90,066,492 is: 198,408,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,885,236 : 90,066,492 = 90,066,492 : x
  2. Step 2: Convert to fraction form
    40,885,236/90,066,492 = 90,066,492/x
  3. Step 3: Cross multiply
    40,885,236x = 90,066,492 × 90,066,492
  4. Step 4: Simplify right side
    40,885,236x = 8,111,972,981,186,064
  5. Step 5: Solve for x
    x = 8,111,972,981,186,064/40,885,236
  6. Step 6: Final answer
    x = 198,408,368.76

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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.