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Finding the Third Proportional to 175.50 and 406.88

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Solution

The third proportional to 175.50 and 406.88 is: 943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.50 : 406.88 = 406.88 : x
  2. Step 2: Convert to fraction form
    175.50/406.88 = 406.88/x
  3. Step 3: Cross multiply
    175.50x = 406.88 × 406.88
  4. Step 4: Simplify right side
    175.50x = 165,547.27
  5. Step 5: Solve for x
    x = 165,547.27/175.50
  6. Step 6: Final answer
    x = 943.29

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.