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Finding the Third Proportional to 230,978.25 and 345,525.75

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Solution

The third proportional to 230,978.25 and 345,525.75 is: 516,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,978.25 : 345,525.75 = 345,525.75 : x
  2. Step 2: Convert to fraction form
    230,978.25/345,525.75 = 345,525.75/x
  3. Step 3: Cross multiply
    230,978.25x = 345,525.75 × 345,525.75
  4. Step 4: Simplify right side
    230,978.25x = 119,388,043,913.06
  5. Step 5: Solve for x
    x = 119,388,043,913.06/230,978.25
  6. Step 6: Final answer
    x = 516,880.03

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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.