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Finding the Third Proportional to 84,797 and 134,243

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Solution

The third proportional to 84,797 and 134,243 is: 212,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,797 : 134,243 = 134,243 : x
  2. Step 2: Convert to fraction form
    84,797/134,243 = 134,243/x
  3. Step 3: Cross multiply
    84,797x = 134,243 × 134,243
  4. Step 4: Simplify right side
    84,797x = 18,021,183,049
  5. Step 5: Solve for x
    x = 18,021,183,049/84,797
  6. Step 6: Final answer
    x = 212,521.47

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.