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Finding the Third Proportional to 17,958 and 25,121

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Solution

The third proportional to 17,958 and 25,121 is: 35,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958 : 25,121 = 25,121 : x
  2. Step 2: Convert to fraction form
    17,958/25,121 = 25,121/x
  3. Step 3: Cross multiply
    17,958x = 25,121 × 25,121
  4. Step 4: Simplify right side
    17,958x = 631,064,641
  5. Step 5: Solve for x
    x = 631,064,641/17,958
  6. Step 6: Final answer
    x = 35,141.14

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.