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Finding the Third Proportional to 47,415 and 104,670

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Solution

The third proportional to 47,415 and 104,670 is: 231,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,415 : 104,670 = 104,670 : x
  2. Step 2: Convert to fraction form
    47,415/104,670 = 104,670/x
  3. Step 3: Cross multiply
    47,415x = 104,670 × 104,670
  4. Step 4: Simplify right side
    47,415x = 10,955,808,900
  5. Step 5: Solve for x
    x = 10,955,808,900/47,415
  6. Step 6: Final answer
    x = 231,062.09

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.