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Finding the Third Proportional to 9,216 and 15,696

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Solution

The third proportional to 9,216 and 15,696 is: 26,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216 : 15,696 = 15,696 : x
  2. Step 2: Convert to fraction form
    9,216/15,696 = 15,696/x
  3. Step 3: Cross multiply
    9,216x = 15,696 × 15,696
  4. Step 4: Simplify right side
    9,216x = 246,364,416
  5. Step 5: Solve for x
    x = 246,364,416/9,216
  6. Step 6: Final answer
    x = 26,732.25

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.