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Finding the Third Proportional to 343.75 and 532.63

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Solution

The third proportional to 343.75 and 532.63 is: 825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.75 : 532.63 = 532.63 : x
  2. Step 2: Convert to fraction form
    343.75/532.63 = 532.63/x
  3. Step 3: Cross multiply
    343.75x = 532.63 × 532.63
  4. Step 4: Simplify right side
    343.75x = 283,689.39
  5. Step 5: Solve for x
    x = 283,689.39/343.75
  6. Step 6: Final answer
    x = 825.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.