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Finding the Third Proportional to 7,943 and 17,454

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Solution

The third proportional to 7,943 and 17,454 is: 38,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943 : 17,454 = 17,454 : x
  2. Step 2: Convert to fraction form
    7,943/17,454 = 17,454/x
  3. Step 3: Cross multiply
    7,943x = 17,454 × 17,454
  4. Step 4: Simplify right side
    7,943x = 304,642,116
  5. Step 5: Solve for x
    x = 304,642,116/7,943
  6. Step 6: Final answer
    x = 38,353.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.