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Finding the Third Proportional to 383,722 and 575,580

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Solution

The third proportional to 383,722 and 575,580 is: 863,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,722 : 575,580 = 575,580 : x
  2. Step 2: Convert to fraction form
    383,722/575,580 = 575,580/x
  3. Step 3: Cross multiply
    383,722x = 575,580 × 575,580
  4. Step 4: Simplify right side
    383,722x = 331,292,336,400
  5. Step 5: Solve for x
    x = 331,292,336,400/383,722
  6. Step 6: Final answer
    x = 863,365.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.