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Finding the Third Proportional to 47,754 and 107,820

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Solution

The third proportional to 47,754 and 107,820 is: 243,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,754 : 107,820 = 107,820 : x
  2. Step 2: Convert to fraction form
    47,754/107,820 = 107,820/x
  3. Step 3: Cross multiply
    47,754x = 107,820 × 107,820
  4. Step 4: Simplify right side
    47,754x = 11,625,152,400
  5. Step 5: Solve for x
    x = 11,625,152,400/47,754
  6. Step 6: Final answer
    x = 243,438.30

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.