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Finding the Third Proportional to 79,842,544 and 173,236,876

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Solution

The third proportional to 79,842,544 and 173,236,876 is: 375,877,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,842,544 : 173,236,876 = 173,236,876 : x
  2. Step 2: Convert to fraction form
    79,842,544/173,236,876 = 173,236,876/x
  3. Step 3: Cross multiply
    79,842,544x = 173,236,876 × 173,236,876
  4. Step 4: Simplify right side
    79,842,544x = 30,011,015,206,239,376
  5. Step 5: Solve for x
    x = 30,011,015,206,239,376/79,842,544
  6. Step 6: Final answer
    x = 375,877,492.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.