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Finding the Third Proportional to 6,259 and 7,971

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Solution

The third proportional to 6,259 and 7,971 is: 10,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259 : 7,971 = 7,971 : x
  2. Step 2: Convert to fraction form
    6,259/7,971 = 7,971/x
  3. Step 3: Cross multiply
    6,259x = 7,971 × 7,971
  4. Step 4: Simplify right side
    6,259x = 63,536,841
  5. Step 5: Solve for x
    x = 63,536,841/6,259
  6. Step 6: Final answer
    x = 10,151.28

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.