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Finding the Third Proportional to 459,540.50 and 673,290.75

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Solution

The third proportional to 459,540.50 and 673,290.75 is: 986,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,540.50 : 673,290.75 = 673,290.75 : x
  2. Step 2: Convert to fraction form
    459,540.50/673,290.75 = 673,290.75/x
  3. Step 3: Cross multiply
    459,540.50x = 673,290.75 × 673,290.75
  4. Step 4: Simplify right side
    459,540.50x = 453,320,434,035.56
  5. Step 5: Solve for x
    x = 453,320,434,035.56/459,540.50
  6. Step 6: Final answer
    x = 986,464.60

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.