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Finding the Third Proportional to 7,906 and 14,210

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Solution

The third proportional to 7,906 and 14,210 is: 25,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906 : 14,210 = 14,210 : x
  2. Step 2: Convert to fraction form
    7,906/14,210 = 14,210/x
  3. Step 3: Cross multiply
    7,906x = 14,210 × 14,210
  4. Step 4: Simplify right side
    7,906x = 201,924,100
  5. Step 5: Solve for x
    x = 201,924,100/7,906
  6. Step 6: Final answer
    x = 25,540.61

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.