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Finding the Third Proportional to 432 and 575.86

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Solution

The third proportional to 432 and 575.86 is: 767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    432 : 575.86 = 575.86 : x
  2. Step 2: Convert to fraction form
    432/575.86 = 575.86/x
  3. Step 3: Cross multiply
    432x = 575.86 × 575.86
  4. Step 4: Simplify right side
    432x = 331,614.02
  5. Step 5: Solve for x
    x = 331,614.02/432
  6. Step 6: Final answer
    x = 767.63

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.