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Finding the Third Proportional to 664,212 and 1,422,911

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Solution

The third proportional to 664,212 and 1,422,911 is: 3,048,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,212 : 1,422,911 = 1,422,911 : x
  2. Step 2: Convert to fraction form
    664,212/1,422,911 = 1,422,911/x
  3. Step 3: Cross multiply
    664,212x = 1,422,911 × 1,422,911
  4. Step 4: Simplify right side
    664,212x = 2,024,675,713,921
  5. Step 5: Solve for x
    x = 2,024,675,713,921/664,212
  6. Step 6: Final answer
    x = 3,048,237.18

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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.