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Finding the Third Proportional to 10,386 and 19,302

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Solution

The third proportional to 10,386 and 19,302 is: 35,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386 : 19,302 = 19,302 : x
  2. Step 2: Convert to fraction form
    10,386/19,302 = 19,302/x
  3. Step 3: Cross multiply
    10,386x = 19,302 × 19,302
  4. Step 4: Simplify right side
    10,386x = 372,567,204
  5. Step 5: Solve for x
    x = 372,567,204/10,386
  6. Step 6: Final answer
    x = 35,872.06

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.