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Finding the Third Proportional to 7,243 and 15,875

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Solution

The third proportional to 7,243 and 15,875 is: 34,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243 : 15,875 = 15,875 : x
  2. Step 2: Convert to fraction form
    7,243/15,875 = 15,875/x
  3. Step 3: Cross multiply
    7,243x = 15,875 × 15,875
  4. Step 4: Simplify right side
    7,243x = 252,015,625
  5. Step 5: Solve for x
    x = 252,015,625/7,243
  6. Step 6: Final answer
    x = 34,794.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.