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Finding the Third Proportional to 6,387 and 9,513

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Solution

The third proportional to 6,387 and 9,513 is: 14,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387 : 9,513 = 9,513 : x
  2. Step 2: Convert to fraction form
    6,387/9,513 = 9,513/x
  3. Step 3: Cross multiply
    6,387x = 9,513 × 9,513
  4. Step 4: Simplify right side
    6,387x = 90,497,169
  5. Step 5: Solve for x
    x = 90,497,169/6,387
  6. Step 6: Final answer
    x = 14,168.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.