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Finding the Third Proportional to 10,079 and 21,943

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Solution

The third proportional to 10,079 and 21,943 is: 47,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079 : 21,943 = 21,943 : x
  2. Step 2: Convert to fraction form
    10,079/21,943 = 21,943/x
  3. Step 3: Cross multiply
    10,079x = 21,943 × 21,943
  4. Step 4: Simplify right side
    10,079x = 481,495,249
  5. Step 5: Solve for x
    x = 481,495,249/10,079
  6. Step 6: Final answer
    x = 47,772.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.