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Finding the Third Proportional to 47,718 and 103,292

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Solution

The third proportional to 47,718 and 103,292 is: 223,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,718 : 103,292 = 103,292 : x
  2. Step 2: Convert to fraction form
    47,718/103,292 = 103,292/x
  3. Step 3: Cross multiply
    47,718x = 103,292 × 103,292
  4. Step 4: Simplify right side
    47,718x = 10,669,237,264
  5. Step 5: Solve for x
    x = 10,669,237,264/47,718
  6. Step 6: Final answer
    x = 223,589.36

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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.