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Finding the Third Proportional to 372,339.75 and 575,358.75

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Solution

The third proportional to 372,339.75 and 575,358.75 is: 889,074.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,339.75 : 575,358.75 = 575,358.75 : x
  2. Step 2: Convert to fraction form
    372,339.75/575,358.75 = 575,358.75/x
  3. Step 3: Cross multiply
    372,339.75x = 575,358.75 × 575,358.75
  4. Step 4: Simplify right side
    372,339.75x = 331,037,691,201.56
  5. Step 5: Solve for x
    x = 331,037,691,201.56/372,339.75
  6. Step 6: Final answer
    x = 889,074.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.