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Finding the Third Proportional to 466.75 and 664.88

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Solution

The third proportional to 466.75 and 664.88 is: 947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.75 : 664.88 = 664.88 : x
  2. Step 2: Convert to fraction form
    466.75/664.88 = 664.88/x
  3. Step 3: Cross multiply
    466.75x = 664.88 × 664.88
  4. Step 4: Simplify right side
    466.75x = 442,058.77
  5. Step 5: Solve for x
    x = 442,058.77/466.75
  6. Step 6: Final answer
    x = 947.10

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.