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Finding the Third Proportional to 263,265.75 and 407,452.50

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Solution

The third proportional to 263,265.75 and 407,452.50 is: 630,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,265.75 : 407,452.50 = 407,452.50 : x
  2. Step 2: Convert to fraction form
    263,265.75/407,452.50 = 407,452.50/x
  3. Step 3: Cross multiply
    263,265.75x = 407,452.50 × 407,452.50
  4. Step 4: Simplify right side
    263,265.75x = 166,017,539,756.25
  5. Step 5: Solve for x
    x = 166,017,539,756.25/263,265.75
  6. Step 6: Final answer
    x = 630,608.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.