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Finding the Third Proportional to 672.75 and 1,014

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Solution

The third proportional to 672.75 and 1,014 is: 1,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.75 : 1,014 = 1,014 : x
  2. Step 2: Convert to fraction form
    672.75/1,014 = 1,014/x
  3. Step 3: Cross multiply
    672.75x = 1,014 × 1,014
  4. Step 4: Simplify right side
    672.75x = 1,028,196
  5. Step 5: Solve for x
    x = 1,028,196/672.75
  6. Step 6: Final answer
    x = 1,528.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.