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Finding the Third Proportional to 295 and 393.50

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Solution

The third proportional to 295 and 393.50 is: 524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295 : 393.50 = 393.50 : x
  2. Step 2: Convert to fraction form
    295/393.50 = 393.50/x
  3. Step 3: Cross multiply
    295x = 393.50 × 393.50
  4. Step 4: Simplify right side
    295x = 154,842.25
  5. Step 5: Solve for x
    x = 154,842.25/295
  6. Step 6: Final answer
    x = 524.89

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.