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Finding the Third Proportional to 235,573.31 and 515,149.88

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Solution

The third proportional to 235,573.31 and 515,149.88 is: 1,126,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,573.31 : 515,149.88 = 515,149.88 : x
  2. Step 2: Convert to fraction form
    235,573.31/515,149.88 = 515,149.88/x
  3. Step 3: Cross multiply
    235,573.31x = 515,149.88 × 515,149.88
  4. Step 4: Simplify right side
    235,573.31x = 265,379,393,712.52
  5. Step 5: Solve for x
    x = 265,379,393,712.52/235,573.31
  6. Step 6: Final answer
    x = 1,126,525.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.