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Finding the Third Proportional to 8,316 and 11,124

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Solution

The third proportional to 8,316 and 11,124 is: 14,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316 : 11,124 = 11,124 : x
  2. Step 2: Convert to fraction form
    8,316/11,124 = 11,124/x
  3. Step 3: Cross multiply
    8,316x = 11,124 × 11,124
  4. Step 4: Simplify right side
    8,316x = 123,743,376
  5. Step 5: Solve for x
    x = 123,743,376/8,316
  6. Step 6: Final answer
    x = 14,880.16

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.