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Finding the Third Proportional to 8,316 and 11,442

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Solution

The third proportional to 8,316 and 11,442 is: 15,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316 : 11,442 = 11,442 : x
  2. Step 2: Convert to fraction form
    8,316/11,442 = 11,442/x
  3. Step 3: Cross multiply
    8,316x = 11,442 × 11,442
  4. Step 4: Simplify right side
    8,316x = 130,919,364
  5. Step 5: Solve for x
    x = 130,919,364/8,316
  6. Step 6: Final answer
    x = 15,743.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.