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Finding the Third Proportional to 13,236 and 28,516

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Solution

The third proportional to 13,236 and 28,516 is: 61,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236 : 28,516 = 28,516 : x
  2. Step 2: Convert to fraction form
    13,236/28,516 = 28,516/x
  3. Step 3: Cross multiply
    13,236x = 28,516 × 28,516
  4. Step 4: Simplify right side
    13,236x = 813,162,256
  5. Step 5: Solve for x
    x = 813,162,256/13,236
  6. Step 6: Final answer
    x = 61,435.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.