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Finding the Third Proportional to 4,998 and 6,666

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Solution

The third proportional to 4,998 and 6,666 is: 8,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998 : 6,666 = 6,666 : x
  2. Step 2: Convert to fraction form
    4,998/6,666 = 6,666/x
  3. Step 3: Cross multiply
    4,998x = 6,666 × 6,666
  4. Step 4: Simplify right side
    4,998x = 44,435,556
  5. Step 5: Solve for x
    x = 44,435,556/4,998
  6. Step 6: Final answer
    x = 8,890.67

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.