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Finding the Third Proportional to 5,246 and 7,684

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Solution

The third proportional to 5,246 and 7,684 is: 11,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246 : 7,684 = 7,684 : x
  2. Step 2: Convert to fraction form
    5,246/7,684 = 7,684/x
  3. Step 3: Cross multiply
    5,246x = 7,684 × 7,684
  4. Step 4: Simplify right side
    5,246x = 59,043,856
  5. Step 5: Solve for x
    x = 59,043,856/5,246
  6. Step 6: Final answer
    x = 11,255.02

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.