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Finding the Third Proportional to 11,798 and 25,640

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Solution

The third proportional to 11,798 and 25,640 is: 55,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798 : 25,640 = 25,640 : x
  2. Step 2: Convert to fraction form
    11,798/25,640 = 25,640/x
  3. Step 3: Cross multiply
    11,798x = 25,640 × 25,640
  4. Step 4: Simplify right side
    11,798x = 657,409,600
  5. Step 5: Solve for x
    x = 657,409,600/11,798
  6. Step 6: Final answer
    x = 55,722.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.