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Finding the Third Proportional to 463.75 and 673.75

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Solution

The third proportional to 463.75 and 673.75 is: 978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.75 : 673.75 = 673.75 : x
  2. Step 2: Convert to fraction form
    463.75/673.75 = 673.75/x
  3. Step 3: Cross multiply
    463.75x = 673.75 × 673.75
  4. Step 4: Simplify right side
    463.75x = 453,939.06
  5. Step 5: Solve for x
    x = 453,939.06/463.75
  6. Step 6: Final answer
    x = 978.84

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.