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Finding the Third Proportional to 8,680 and 14,316

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Solution

The third proportional to 8,680 and 14,316 is: 23,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680 : 14,316 = 14,316 : x
  2. Step 2: Convert to fraction form
    8,680/14,316 = 14,316/x
  3. Step 3: Cross multiply
    8,680x = 14,316 × 14,316
  4. Step 4: Simplify right side
    8,680x = 204,947,856
  5. Step 5: Solve for x
    x = 204,947,856/8,680
  6. Step 6: Final answer
    x = 23,611.50

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.