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Finding the Third Proportional to 26,910 and 53,128

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Solution

The third proportional to 26,910 and 53,128 is: 104,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910 : 53,128 = 53,128 : x
  2. Step 2: Convert to fraction form
    26,910/53,128 = 53,128/x
  3. Step 3: Cross multiply
    26,910x = 53,128 × 53,128
  4. Step 4: Simplify right side
    26,910x = 2,822,584,384
  5. Step 5: Solve for x
    x = 2,822,584,384/26,910
  6. Step 6: Final answer
    x = 104,889.80

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.