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Finding the Third Proportional to 150,708.75 and 322,145.25

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Solution

The third proportional to 150,708.75 and 322,145.25 is: 688,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,708.75 : 322,145.25 = 322,145.25 : x
  2. Step 2: Convert to fraction form
    150,708.75/322,145.25 = 322,145.25/x
  3. Step 3: Cross multiply
    150,708.75x = 322,145.25 × 322,145.25
  4. Step 4: Simplify right side
    150,708.75x = 103,777,562,097.56
  5. Step 5: Solve for x
    x = 103,777,562,097.56/150,708.75
  6. Step 6: Final answer
    x = 688,596.79

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.