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Finding the Third Proportional to 6,262 and 7,929

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Solution

The third proportional to 6,262 and 7,929 is: 10,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262 : 7,929 = 7,929 : x
  2. Step 2: Convert to fraction form
    6,262/7,929 = 7,929/x
  3. Step 3: Cross multiply
    6,262x = 7,929 × 7,929
  4. Step 4: Simplify right side
    6,262x = 62,869,041
  5. Step 5: Solve for x
    x = 62,869,041/6,262
  6. Step 6: Final answer
    x = 10,039.77

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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.