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Finding the Third Proportional to 294.25 and 458.13

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Solution

The third proportional to 294.25 and 458.13 is: 713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.25 : 458.13 = 458.13 : x
  2. Step 2: Convert to fraction form
    294.25/458.13 = 458.13/x
  3. Step 3: Cross multiply
    294.25x = 458.13 × 458.13
  4. Step 4: Simplify right side
    294.25x = 209,878.52
  5. Step 5: Solve for x
    x = 209,878.52/294.25
  6. Step 6: Final answer
    x = 713.27

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.