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Finding the Third Proportional to 82,114.50 and 177,723

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Solution

The third proportional to 82,114.50 and 177,723 is: 384,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,114.50 : 177,723 = 177,723 : x
  2. Step 2: Convert to fraction form
    82,114.50/177,723 = 177,723/x
  3. Step 3: Cross multiply
    82,114.50x = 177,723 × 177,723
  4. Step 4: Simplify right side
    82,114.50x = 31,585,464,729
  5. Step 5: Solve for x
    x = 31,585,464,729/82,114.50
  6. Step 6: Final answer
    x = 384,651.49

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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.