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Finding the Third Proportional to 379,744.50 and 572,533.50

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Solution

The third proportional to 379,744.50 and 572,533.50 is: 863,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,744.50 : 572,533.50 = 572,533.50 : x
  2. Step 2: Convert to fraction form
    379,744.50/572,533.50 = 572,533.50/x
  3. Step 3: Cross multiply
    379,744.50x = 572,533.50 × 572,533.50
  4. Step 4: Simplify right side
    379,744.50x = 327,794,608,622.25
  5. Step 5: Solve for x
    x = 327,794,608,622.25/379,744.50
  6. Step 6: Final answer
    x = 863,197.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.