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Finding the Third Proportional to 16,218 and 35,205

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Solution

The third proportional to 16,218 and 35,205 is: 76,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218 : 35,205 = 35,205 : x
  2. Step 2: Convert to fraction form
    16,218/35,205 = 35,205/x
  3. Step 3: Cross multiply
    16,218x = 35,205 × 35,205
  4. Step 4: Simplify right side
    16,218x = 1,239,392,025
  5. Step 5: Solve for x
    x = 1,239,392,025/16,218
  6. Step 6: Final answer
    x = 76,420.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.