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Finding the Third Proportional to 47,132 and 99,718

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Solution

The third proportional to 47,132 and 99,718 is: 210,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,132 : 99,718 = 99,718 : x
  2. Step 2: Convert to fraction form
    47,132/99,718 = 99,718/x
  3. Step 3: Cross multiply
    47,132x = 99,718 × 99,718
  4. Step 4: Simplify right side
    47,132x = 9,943,679,524
  5. Step 5: Solve for x
    x = 9,943,679,524/47,132
  6. Step 6: Final answer
    x = 210,975.12

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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.