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Finding the Third Proportional to 356,729.50 and 522,295.50

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Solution

The third proportional to 356,729.50 and 522,295.50 is: 764,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,729.50 : 522,295.50 = 522,295.50 : x
  2. Step 2: Convert to fraction form
    356,729.50/522,295.50 = 522,295.50/x
  3. Step 3: Cross multiply
    356,729.50x = 522,295.50 × 522,295.50
  4. Step 4: Simplify right side
    356,729.50x = 272,792,589,320.25
  5. Step 5: Solve for x
    x = 272,792,589,320.25/356,729.50
  6. Step 6: Final answer
    x = 764,704.32

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.