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Finding the Third Proportional to 330,157.50 and 525,190.50

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Solution

The third proportional to 330,157.50 and 525,190.50 is: 835,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,157.50 : 525,190.50 = 525,190.50 : x
  2. Step 2: Convert to fraction form
    330,157.50/525,190.50 = 525,190.50/x
  3. Step 3: Cross multiply
    330,157.50x = 525,190.50 × 525,190.50
  4. Step 4: Simplify right side
    330,157.50x = 275,825,061,290.25
  5. Step 5: Solve for x
    x = 275,825,061,290.25/330,157.50
  6. Step 6: Final answer
    x = 835,434.79

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.