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Finding the Third Proportional to 8,098 and 12,929

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Solution

The third proportional to 8,098 and 12,929 is: 20,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098 : 12,929 = 12,929 : x
  2. Step 2: Convert to fraction form
    8,098/12,929 = 12,929/x
  3. Step 3: Cross multiply
    8,098x = 12,929 × 12,929
  4. Step 4: Simplify right side
    8,098x = 167,159,041
  5. Step 5: Solve for x
    x = 167,159,041/8,098
  6. Step 6: Final answer
    x = 20,642.02

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.