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Finding the Third Proportional to 10,656 and 22,608

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Solution

The third proportional to 10,656 and 22,608 is: 47,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656 : 22,608 = 22,608 : x
  2. Step 2: Convert to fraction form
    10,656/22,608 = 22,608/x
  3. Step 3: Cross multiply
    10,656x = 22,608 × 22,608
  4. Step 4: Simplify right side
    10,656x = 511,121,664
  5. Step 5: Solve for x
    x = 511,121,664/10,656
  6. Step 6: Final answer
    x = 47,965.62

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.