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Finding the Third Proportional to 11,656 and 25,480

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Solution

The third proportional to 11,656 and 25,480 is: 55,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656 : 25,480 = 25,480 : x
  2. Step 2: Convert to fraction form
    11,656/25,480 = 25,480/x
  3. Step 3: Cross multiply
    11,656x = 25,480 × 25,480
  4. Step 4: Simplify right side
    11,656x = 649,230,400
  5. Step 5: Solve for x
    x = 649,230,400/11,656
  6. Step 6: Final answer
    x = 55,699.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.