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Finding the Third Proportional to 10,246 and 11,158

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Solution

The third proportional to 10,246 and 11,158 is: 12,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246 : 11,158 = 11,158 : x
  2. Step 2: Convert to fraction form
    10,246/11,158 = 11,158/x
  3. Step 3: Cross multiply
    10,246x = 11,158 × 11,158
  4. Step 4: Simplify right side
    10,246x = 124,500,964
  5. Step 5: Solve for x
    x = 124,500,964/10,246
  6. Step 6: Final answer
    x = 12,151.18

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.