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Finding the Third Proportional to 535 and 773.50

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Solution

The third proportional to 535 and 773.50 is: 1,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    535 : 773.50 = 773.50 : x
  2. Step 2: Convert to fraction form
    535/773.50 = 773.50/x
  3. Step 3: Cross multiply
    535x = 773.50 × 773.50
  4. Step 4: Simplify right side
    535x = 598,302.25
  5. Step 5: Solve for x
    x = 598,302.25/535
  6. Step 6: Final answer
    x = 1,118.32

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.