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Finding the Third Proportional to 122,127.50 and 174,321.75

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Solution

The third proportional to 122,127.50 and 174,321.75 is: 248,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,127.50 : 174,321.75 = 174,321.75 : x
  2. Step 2: Convert to fraction form
    122,127.50/174,321.75 = 174,321.75/x
  3. Step 3: Cross multiply
    122,127.50x = 174,321.75 × 174,321.75
  4. Step 4: Simplify right side
    122,127.50x = 30,388,072,523.06
  5. Step 5: Solve for x
    x = 30,388,072,523.06/122,127.50
  6. Step 6: Final answer
    x = 248,822.52

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.