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Finding the Third Proportional to 593.50 and 819.75

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Solution

The third proportional to 593.50 and 819.75 is: 1,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.50 : 819.75 = 819.75 : x
  2. Step 2: Convert to fraction form
    593.50/819.75 = 819.75/x
  3. Step 3: Cross multiply
    593.50x = 819.75 × 819.75
  4. Step 4: Simplify right side
    593.50x = 671,990.06
  5. Step 5: Solve for x
    x = 671,990.06/593.50
  6. Step 6: Final answer
    x = 1,132.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.