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Finding the Third Proportional to 47,244 and 99,942

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Solution

The third proportional to 47,244 and 99,942 is: 211,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,244 : 99,942 = 99,942 : x
  2. Step 2: Convert to fraction form
    47,244/99,942 = 99,942/x
  3. Step 3: Cross multiply
    47,244x = 99,942 × 99,942
  4. Step 4: Simplify right side
    47,244x = 9,988,403,364
  5. Step 5: Solve for x
    x = 9,988,403,364/47,244
  6. Step 6: Final answer
    x = 211,421.63

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.