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Finding the Third Proportional to 467.63 and 876.75

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Solution

The third proportional to 467.63 and 876.75 is: 1,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.63 : 876.75 = 876.75 : x
  2. Step 2: Convert to fraction form
    467.63/876.75 = 876.75/x
  3. Step 3: Cross multiply
    467.63x = 876.75 × 876.75
  4. Step 4: Simplify right side
    467.63x = 768,690.56
  5. Step 5: Solve for x
    x = 768,690.56/467.63
  6. Step 6: Final answer
    x = 1,643.82

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.