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Finding the Third Proportional to 293.50 and 457.75

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Solution

The third proportional to 293.50 and 457.75 is: 713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.50 : 457.75 = 457.75 : x
  2. Step 2: Convert to fraction form
    293.50/457.75 = 457.75/x
  3. Step 3: Cross multiply
    293.50x = 457.75 × 457.75
  4. Step 4: Simplify right side
    293.50x = 209,535.06
  5. Step 5: Solve for x
    x = 209,535.06/293.50
  6. Step 6: Final answer
    x = 713.92

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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.