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Finding the Third Proportional to 118,172.25 and 177,344.25

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Solution

The third proportional to 118,172.25 and 177,344.25 is: 266,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,172.25 : 177,344.25 = 177,344.25 : x
  2. Step 2: Convert to fraction form
    118,172.25/177,344.25 = 177,344.25/x
  3. Step 3: Cross multiply
    118,172.25x = 177,344.25 × 177,344.25
  4. Step 4: Simplify right side
    118,172.25x = 31,450,983,008.06
  5. Step 5: Solve for x
    x = 31,450,983,008.06/118,172.25
  6. Step 6: Final answer
    x = 266,145.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.