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Finding the Third Proportional to 145,000 and 221,832

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Solution

The third proportional to 145,000 and 221,832 is: 339,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,000 : 221,832 = 221,832 : x
  2. Step 2: Convert to fraction form
    145,000/221,832 = 221,832/x
  3. Step 3: Cross multiply
    145,000x = 221,832 × 221,832
  4. Step 4: Simplify right side
    145,000x = 49,209,436,224
  5. Step 5: Solve for x
    x = 49,209,436,224/145,000
  6. Step 6: Final answer
    x = 339,375.42

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.