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Finding the Third Proportional to 4,368 and 8,736

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Solution

The third proportional to 4,368 and 8,736 is: 17,472

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368 : 8,736 = 8,736 : x
  2. Step 2: Convert to fraction form
    4,368/8,736 = 8,736/x
  3. Step 3: Cross multiply
    4,368x = 8,736 × 8,736
  4. Step 4: Simplify right side
    4,368x = 76,317,696
  5. Step 5: Solve for x
    x = 76,317,696/4,368
  6. Step 6: Final answer
    x = 17,472

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Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.