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Finding the Third Proportional to 1,500 and 3,230

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Solution

The third proportional to 1,500 and 3,230 is: 6,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500 : 3,230 = 3,230 : x
  2. Step 2: Convert to fraction form
    1,500/3,230 = 3,230/x
  3. Step 3: Cross multiply
    1,500x = 3,230 × 3,230
  4. Step 4: Simplify right side
    1,500x = 10,432,900
  5. Step 5: Solve for x
    x = 10,432,900/1,500
  6. Step 6: Final answer
    x = 6,955.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.