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Finding the Third Proportional to 295.75 and 631.75

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Solution

The third proportional to 295.75 and 631.75 is: 1,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.75 : 631.75 = 631.75 : x
  2. Step 2: Convert to fraction form
    295.75/631.75 = 631.75/x
  3. Step 3: Cross multiply
    295.75x = 631.75 × 631.75
  4. Step 4: Simplify right side
    295.75x = 399,108.06
  5. Step 5: Solve for x
    x = 399,108.06/295.75
  6. Step 6: Final answer
    x = 1,349.48

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.