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Finding the Third Proportional to 8,935 and 13,145

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Solution

The third proportional to 8,935 and 13,145 is: 19,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935 : 13,145 = 13,145 : x
  2. Step 2: Convert to fraction form
    8,935/13,145 = 13,145/x
  3. Step 3: Cross multiply
    8,935x = 13,145 × 13,145
  4. Step 4: Simplify right side
    8,935x = 172,791,025
  5. Step 5: Solve for x
    x = 172,791,025/8,935
  6. Step 6: Final answer
    x = 19,338.67

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.