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Finding the Third Proportional to 326,620.50 and 499,651.50

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Solution

The third proportional to 326,620.50 and 499,651.50 is: 764,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,620.50 : 499,651.50 = 499,651.50 : x
  2. Step 2: Convert to fraction form
    326,620.50/499,651.50 = 499,651.50/x
  3. Step 3: Cross multiply
    326,620.50x = 499,651.50 × 499,651.50
  4. Step 4: Simplify right side
    326,620.50x = 249,651,621,452.25
  5. Step 5: Solve for x
    x = 249,651,621,452.25/326,620.50
  6. Step 6: Final answer
    x = 764,347.68

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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.