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Finding the Third Proportional to 171,663.26 and 372,880.55

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Solution

The third proportional to 171,663.26 and 372,880.55 is: 809,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,663.26 : 372,880.55 = 372,880.55 : x
  2. Step 2: Convert to fraction form
    171,663.26/372,880.55 = 372,880.55/x
  3. Step 3: Cross multiply
    171,663.26x = 372,880.55 × 372,880.55
  4. Step 4: Simplify right side
    171,663.26x = 139,039,902,237.80
  5. Step 5: Solve for x
    x = 139,039,902,237.80/171,663.26
  6. Step 6: Final answer
    x = 809,957.26

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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.