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Finding the Third Proportional to 467.86 and 765.07

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Solution

The third proportional to 467.86 and 765.07 is: 1,251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.86 : 765.07 = 765.07 : x
  2. Step 2: Convert to fraction form
    467.86/765.07 = 765.07/x
  3. Step 3: Cross multiply
    467.86x = 765.07 × 765.07
  4. Step 4: Simplify right side
    467.86x = 585,332.58
  5. Step 5: Solve for x
    x = 585,332.58/467.86
  6. Step 6: Final answer
    x = 1,251.09

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.