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Finding the Third Proportional to 4,250,329 and 9,172,330

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Solution

The third proportional to 4,250,329 and 9,172,330 is: 19,794,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250,329 : 9,172,330 = 9,172,330 : x
  2. Step 2: Convert to fraction form
    4,250,329/9,172,330 = 9,172,330/x
  3. Step 3: Cross multiply
    4,250,329x = 9,172,330 × 9,172,330
  4. Step 4: Simplify right side
    4,250,329x = 84,131,637,628,900
  5. Step 5: Solve for x
    x = 84,131,637,628,900/4,250,329
  6. Step 6: Final answer
    x = 19,794,147.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.