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Finding the Third Proportional to 11,246 and 15,284

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Solution

The third proportional to 11,246 and 15,284 is: 20,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246 : 15,284 = 15,284 : x
  2. Step 2: Convert to fraction form
    11,246/15,284 = 15,284/x
  3. Step 3: Cross multiply
    11,246x = 15,284 × 15,284
  4. Step 4: Simplify right side
    11,246x = 233,600,656
  5. Step 5: Solve for x
    x = 233,600,656/11,246
  6. Step 6: Final answer
    x = 20,771.89

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.