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Finding the Third Proportional to 15,921 and 23,875

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Solution

The third proportional to 15,921 and 23,875 is: 35,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921 : 23,875 = 23,875 : x
  2. Step 2: Convert to fraction form
    15,921/23,875 = 23,875/x
  3. Step 3: Cross multiply
    15,921x = 23,875 × 23,875
  4. Step 4: Simplify right side
    15,921x = 570,015,625
  5. Step 5: Solve for x
    x = 570,015,625/15,921
  6. Step 6: Final answer
    x = 35,802.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.