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Finding the Third Proportional to 48,520 and 73,656

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Solution

The third proportional to 48,520 and 73,656 is: 111,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,520 : 73,656 = 73,656 : x
  2. Step 2: Convert to fraction form
    48,520/73,656 = 73,656/x
  3. Step 3: Cross multiply
    48,520x = 73,656 × 73,656
  4. Step 4: Simplify right side
    48,520x = 5,425,206,336
  5. Step 5: Solve for x
    x = 5,425,206,336/48,520
  6. Step 6: Final answer
    x = 111,813.82

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.