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Finding the Third Proportional to 372,922.50 and 570,220.50

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Solution

The third proportional to 372,922.50 and 570,220.50 is: 871,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,922.50 : 570,220.50 = 570,220.50 : x
  2. Step 2: Convert to fraction form
    372,922.50/570,220.50 = 570,220.50/x
  3. Step 3: Cross multiply
    372,922.50x = 570,220.50 × 570,220.50
  4. Step 4: Simplify right side
    372,922.50x = 325,151,418,620.25
  5. Step 5: Solve for x
    x = 325,151,418,620.25/372,922.50
  6. Step 6: Final answer
    x = 871,900.78

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.