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Finding the Third Proportional to 317,884.50 and 480,066.75

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Solution

The third proportional to 317,884.50 and 480,066.75 is: 724,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,884.50 : 480,066.75 = 480,066.75 : x
  2. Step 2: Convert to fraction form
    317,884.50/480,066.75 = 480,066.75/x
  3. Step 3: Cross multiply
    317,884.50x = 480,066.75 × 480,066.75
  4. Step 4: Simplify right side
    317,884.50x = 230,464,084,455.56
  5. Step 5: Solve for x
    x = 230,464,084,455.56/317,884.50
  6. Step 6: Final answer
    x = 724,993.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.