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Finding the Third Proportional to 3,020 and 6,328

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Solution

The third proportional to 3,020 and 6,328 is: 13,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020 : 6,328 = 6,328 : x
  2. Step 2: Convert to fraction form
    3,020/6,328 = 6,328/x
  3. Step 3: Cross multiply
    3,020x = 6,328 × 6,328
  4. Step 4: Simplify right side
    3,020x = 40,043,584
  5. Step 5: Solve for x
    x = 40,043,584/3,020
  6. Step 6: Final answer
    x = 13,259.46

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.