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Finding the Third Proportional to 8,134 and 12,316

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Solution

The third proportional to 8,134 and 12,316 is: 18,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134 : 12,316 = 12,316 : x
  2. Step 2: Convert to fraction form
    8,134/12,316 = 12,316/x
  3. Step 3: Cross multiply
    8,134x = 12,316 × 12,316
  4. Step 4: Simplify right side
    8,134x = 151,683,856
  5. Step 5: Solve for x
    x = 151,683,856/8,134
  6. Step 6: Final answer
    x = 18,648.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.