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Finding the Third Proportional to 150,918.75 and 319,307.25

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Solution

The third proportional to 150,918.75 and 319,307.25 is: 675,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,918.75 : 319,307.25 = 319,307.25 : x
  2. Step 2: Convert to fraction form
    150,918.75/319,307.25 = 319,307.25/x
  3. Step 3: Cross multiply
    150,918.75x = 319,307.25 × 319,307.25
  4. Step 4: Simplify right side
    150,918.75x = 101,957,119,902.56
  5. Step 5: Solve for x
    x = 101,957,119,902.56/150,918.75
  6. Step 6: Final answer
    x = 675,576.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.