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Finding the Third Proportional to 468.75 and 676.13

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Solution

The third proportional to 468.75 and 676.13 is: 975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.75 : 676.13 = 676.13 : x
  2. Step 2: Convert to fraction form
    468.75/676.13 = 676.13/x
  3. Step 3: Cross multiply
    468.75x = 676.13 × 676.13
  4. Step 4: Simplify right side
    468.75x = 457,145.02
  5. Step 5: Solve for x
    x = 457,145.02/468.75
  6. Step 6: Final answer
    x = 975.24

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.