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Finding the Third Proportional to 5,343 and 9,894

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Solution

The third proportional to 5,343 and 9,894 is: 18,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343 : 9,894 = 9,894 : x
  2. Step 2: Convert to fraction form
    5,343/9,894 = 9,894/x
  3. Step 3: Cross multiply
    5,343x = 9,894 × 9,894
  4. Step 4: Simplify right side
    5,343x = 97,891,236
  5. Step 5: Solve for x
    x = 97,891,236/5,343
  6. Step 6: Final answer
    x = 18,321.40

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.