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Finding the Third Proportional to 21,958 and 47,348

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Solution

The third proportional to 21,958 and 47,348 is: 102,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958 : 47,348 = 47,348 : x
  2. Step 2: Convert to fraction form
    21,958/47,348 = 47,348/x
  3. Step 3: Cross multiply
    21,958x = 47,348 × 47,348
  4. Step 4: Simplify right side
    21,958x = 2,241,833,104
  5. Step 5: Solve for x
    x = 2,241,833,104/21,958
  6. Step 6: Final answer
    x = 102,096.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.