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Finding the Third Proportional to 149,067 and 221,572.50

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Solution

The third proportional to 149,067 and 221,572.50 is: 329,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,067 : 221,572.50 = 221,572.50 : x
  2. Step 2: Convert to fraction form
    149,067/221,572.50 = 221,572.50/x
  3. Step 3: Cross multiply
    149,067x = 221,572.50 × 221,572.50
  4. Step 4: Simplify right side
    149,067x = 49,094,372,756.25
  5. Step 5: Solve for x
    x = 49,094,372,756.25/149,067
  6. Step 6: Final answer
    x = 329,344.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.