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Finding the Third Proportional to 2,178,603 and 4,787,163

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Solution

The third proportional to 2,178,603 and 4,787,163 is: 10,519,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,603 : 4,787,163 = 4,787,163 : x
  2. Step 2: Convert to fraction form
    2,178,603/4,787,163 = 4,787,163/x
  3. Step 3: Cross multiply
    2,178,603x = 4,787,163 × 4,787,163
  4. Step 4: Simplify right side
    2,178,603x = 22,916,929,588,569
  5. Step 5: Solve for x
    x = 22,916,929,588,569/2,178,603
  6. Step 6: Final answer
    x = 10,519,093.93

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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.