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Finding the Third Proportional to 25,941 and 40,128

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Solution

The third proportional to 25,941 and 40,128 is: 62,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,941 : 40,128 = 40,128 : x
  2. Step 2: Convert to fraction form
    25,941/40,128 = 40,128/x
  3. Step 3: Cross multiply
    25,941x = 40,128 × 40,128
  4. Step 4: Simplify right side
    25,941x = 1,610,256,384
  5. Step 5: Solve for x
    x = 1,610,256,384/25,941
  6. Step 6: Final answer
    x = 62,073.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.