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Finding the Third Proportional to 171,721.50 and 373,000.50

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Solution

The third proportional to 171,721.50 and 373,000.50 is: 810,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,721.50 : 373,000.50 = 373,000.50 : x
  2. Step 2: Convert to fraction form
    171,721.50/373,000.50 = 373,000.50/x
  3. Step 3: Cross multiply
    171,721.50x = 373,000.50 × 373,000.50
  4. Step 4: Simplify right side
    171,721.50x = 139,129,373,000.25
  5. Step 5: Solve for x
    x = 139,129,373,000.25/171,721.50
  6. Step 6: Final answer
    x = 810,203.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.