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Finding the Third Proportional to 25,913 and 40,015

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Solution

The third proportional to 25,913 and 40,015 is: 61,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913 : 40,015 = 40,015 : x
  2. Step 2: Convert to fraction form
    25,913/40,015 = 40,015/x
  3. Step 3: Cross multiply
    25,913x = 40,015 × 40,015
  4. Step 4: Simplify right side
    25,913x = 1,601,200,225
  5. Step 5: Solve for x
    x = 1,601,200,225/25,913
  6. Step 6: Final answer
    x = 61,791.39

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.