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Finding the Third Proportional to 150,570 and 220,195.50

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Solution

The third proportional to 150,570 and 220,195.50 is: 322,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,570 : 220,195.50 = 220,195.50 : x
  2. Step 2: Convert to fraction form
    150,570/220,195.50 = 220,195.50/x
  3. Step 3: Cross multiply
    150,570x = 220,195.50 × 220,195.50
  4. Step 4: Simplify right side
    150,570x = 48,486,058,220.25
  5. Step 5: Solve for x
    x = 48,486,058,220.25/150,570
  6. Step 6: Final answer
    x = 322,016.72

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.