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Finding the Third Proportional to 4,686 and 6,363

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Solution

The third proportional to 4,686 and 6,363 is: 8,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686 : 6,363 = 6,363 : x
  2. Step 2: Convert to fraction form
    4,686/6,363 = 6,363/x
  3. Step 3: Cross multiply
    4,686x = 6,363 × 6,363
  4. Step 4: Simplify right side
    4,686x = 40,487,769
  5. Step 5: Solve for x
    x = 40,487,769/4,686
  6. Step 6: Final answer
    x = 8,640.16

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.