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Finding the Third Proportional to 173,728.50 and 375,136.50

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Solution

The third proportional to 173,728.50 and 375,136.50 is: 810,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,728.50 : 375,136.50 = 375,136.50 : x
  2. Step 2: Convert to fraction form
    173,728.50/375,136.50 = 375,136.50/x
  3. Step 3: Cross multiply
    173,728.50x = 375,136.50 × 375,136.50
  4. Step 4: Simplify right side
    173,728.50x = 140,727,393,632.25
  5. Step 5: Solve for x
    x = 140,727,393,632.25/173,728.50
  6. Step 6: Final answer
    x = 810,042.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.