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Finding the Third Proportional to 429,063.75 and 582,720.75

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Solution

The third proportional to 429,063.75 and 582,720.75 is: 791,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,063.75 : 582,720.75 = 582,720.75 : x
  2. Step 2: Convert to fraction form
    429,063.75/582,720.75 = 582,720.75/x
  3. Step 3: Cross multiply
    429,063.75x = 582,720.75 × 582,720.75
  4. Step 4: Simplify right side
    429,063.75x = 339,563,472,480.56
  5. Step 5: Solve for x
    x = 339,563,472,480.56/429,063.75
  6. Step 6: Final answer
    x = 791,405.64

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.