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Finding the Third Proportional to 107,511 and 150,399

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Solution

The third proportional to 107,511 and 150,399 is: 210,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,511 : 150,399 = 150,399 : x
  2. Step 2: Convert to fraction form
    107,511/150,399 = 150,399/x
  3. Step 3: Cross multiply
    107,511x = 150,399 × 150,399
  4. Step 4: Simplify right side
    107,511x = 22,619,859,201
  5. Step 5: Solve for x
    x = 22,619,859,201/107,511
  6. Step 6: Final answer
    x = 210,395.77

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.