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Finding the Third Proportional to 5,308 and 12,395

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Solution

The third proportional to 5,308 and 12,395 is: 28,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308 : 12,395 = 12,395 : x
  2. Step 2: Convert to fraction form
    5,308/12,395 = 12,395/x
  3. Step 3: Cross multiply
    5,308x = 12,395 × 12,395
  4. Step 4: Simplify right side
    5,308x = 153,636,025
  5. Step 5: Solve for x
    x = 153,636,025/5,308
  6. Step 6: Final answer
    x = 28,944.24

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.