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Finding the Third Proportional to 6,902 and 16,385

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Solution

The third proportional to 6,902 and 16,385 is: 38,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902 : 16,385 = 16,385 : x
  2. Step 2: Convert to fraction form
    6,902/16,385 = 16,385/x
  3. Step 3: Cross multiply
    6,902x = 16,385 × 16,385
  4. Step 4: Simplify right side
    6,902x = 268,468,225
  5. Step 5: Solve for x
    x = 268,468,225/6,902
  6. Step 6: Final answer
    x = 38,897.16

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.