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Finding the Third Proportional to 368,290.50 and 574,821

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Solution

The third proportional to 368,290.50 and 574,821 is: 897,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,290.50 : 574,821 = 574,821 : x
  2. Step 2: Convert to fraction form
    368,290.50/574,821 = 574,821/x
  3. Step 3: Cross multiply
    368,290.50x = 574,821 × 574,821
  4. Step 4: Simplify right side
    368,290.50x = 330,419,182,041
  5. Step 5: Solve for x
    x = 330,419,182,041/368,290.50
  6. Step 6: Final answer
    x = 897,169.98

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.