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Finding the Third Proportional to 8,402,158 and 17,999,876

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Solution

The third proportional to 8,402,158 and 17,999,876 is: 38,560,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402,158 : 17,999,876 = 17,999,876 : x
  2. Step 2: Convert to fraction form
    8,402,158/17,999,876 = 17,999,876/x
  3. Step 3: Cross multiply
    8,402,158x = 17,999,876 × 17,999,876
  4. Step 4: Simplify right side
    8,402,158x = 323,995,536,015,376
  5. Step 5: Solve for x
    x = 323,995,536,015,376/8,402,158
  6. Step 6: Final answer
    x = 38,560,990.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.