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Finding the Third Proportional to 40,885,236 and 82,971,864

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Solution

The third proportional to 40,885,236 and 82,971,864 is: 168,381,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,885,236 : 82,971,864 = 82,971,864 : x
  2. Step 2: Convert to fraction form
    40,885,236/82,971,864 = 82,971,864/x
  3. Step 3: Cross multiply
    40,885,236x = 82,971,864 × 82,971,864
  4. Step 4: Simplify right side
    40,885,236x = 6,884,330,215,634,496
  5. Step 5: Solve for x
    x = 6,884,330,215,634,496/40,885,236
  6. Step 6: Final answer
    x = 168,381,814.30

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.