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Finding the Third Proportional to 10,206 and 15,606

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Solution

The third proportional to 10,206 and 15,606 is: 23,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206 : 15,606 = 15,606 : x
  2. Step 2: Convert to fraction form
    10,206/15,606 = 15,606/x
  3. Step 3: Cross multiply
    10,206x = 15,606 × 15,606
  4. Step 4: Simplify right side
    10,206x = 243,547,236
  5. Step 5: Solve for x
    x = 243,547,236/10,206
  6. Step 6: Final answer
    x = 23,863.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.