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Finding the Third Proportional to 175.92 and 253.40

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Solution

The third proportional to 175.92 and 253.40 is: 365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.92 : 253.40 = 253.40 : x
  2. Step 2: Convert to fraction form
    175.92/253.40 = 253.40/x
  3. Step 3: Cross multiply
    175.92x = 253.40 × 253.40
  4. Step 4: Simplify right side
    175.92x = 64,212.50
  5. Step 5: Solve for x
    x = 64,212.50/175.92
  6. Step 6: Final answer
    x = 365.01

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.