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Finding the Third Proportional to 513.50 and 1,035

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Solution

The third proportional to 513.50 and 1,035 is: 2,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    513.50 : 1,035 = 1,035 : x
  2. Step 2: Convert to fraction form
    513.50/1,035 = 1,035/x
  3. Step 3: Cross multiply
    513.50x = 1,035 × 1,035
  4. Step 4: Simplify right side
    513.50x = 1,071,225
  5. Step 5: Solve for x
    x = 1,071,225/513.50
  6. Step 6: Final answer
    x = 2,086.12

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.