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Finding the Third Proportional to 10,124 and 11,258

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Solution

The third proportional to 10,124 and 11,258 is: 12,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124 : 11,258 = 11,258 : x
  2. Step 2: Convert to fraction form
    10,124/11,258 = 11,258/x
  3. Step 3: Cross multiply
    10,124x = 11,258 × 11,258
  4. Step 4: Simplify right side
    10,124x = 126,742,564
  5. Step 5: Solve for x
    x = 126,742,564/10,124
  6. Step 6: Final answer
    x = 12,519.02

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.