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Finding the Third Proportional to 48,218 and 69,645

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Solution

The third proportional to 48,218 and 69,645 is: 100,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,218 : 69,645 = 69,645 : x
  2. Step 2: Convert to fraction form
    48,218/69,645 = 69,645/x
  3. Step 3: Cross multiply
    48,218x = 69,645 × 69,645
  4. Step 4: Simplify right side
    48,218x = 4,850,426,025
  5. Step 5: Solve for x
    x = 4,850,426,025/48,218
  6. Step 6: Final answer
    x = 100,593.68

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.