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Finding the Third Proportional to 48,276 and 101,979

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Solution

The third proportional to 48,276 and 101,979 is: 215,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276 : 101,979 = 101,979 : x
  2. Step 2: Convert to fraction form
    48,276/101,979 = 101,979/x
  3. Step 3: Cross multiply
    48,276x = 101,979 × 101,979
  4. Step 4: Simplify right side
    48,276x = 10,399,716,441
  5. Step 5: Solve for x
    x = 10,399,716,441/48,276
  6. Step 6: Final answer
    x = 215,422.08

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.