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Finding the Third Proportional to 8,638,277 and 19,998,156

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Solution

The third proportional to 8,638,277 and 19,998,156 is: 46,296,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,277 : 19,998,156 = 19,998,156 : x
  2. Step 2: Convert to fraction form
    8,638,277/19,998,156 = 19,998,156/x
  3. Step 3: Cross multiply
    8,638,277x = 19,998,156 × 19,998,156
  4. Step 4: Simplify right side
    8,638,277x = 399,926,243,400,336
  5. Step 5: Solve for x
    x = 399,926,243,400,336/8,638,277
  6. Step 6: Final answer
    x = 46,296,992.26

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.