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Finding the Third Proportional to 5,329 and 8,513

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Solution

The third proportional to 5,329 and 8,513 is: 13,599.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329 : 8,513 = 8,513 : x
  2. Step 2: Convert to fraction form
    5,329/8,513 = 8,513/x
  3. Step 3: Cross multiply
    5,329x = 8,513 × 8,513
  4. Step 4: Simplify right side
    5,329x = 72,471,169
  5. Step 5: Solve for x
    x = 72,471,169/5,329
  6. Step 6: Final answer
    x = 13,599.39

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.