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Finding the Third Proportional to 7,998 and 18,684

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Solution

The third proportional to 7,998 and 18,684 is: 43,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998 : 18,684 = 18,684 : x
  2. Step 2: Convert to fraction form
    7,998/18,684 = 18,684/x
  3. Step 3: Cross multiply
    7,998x = 18,684 × 18,684
  4. Step 4: Simplify right side
    7,998x = 349,091,856
  5. Step 5: Solve for x
    x = 349,091,856/7,998
  6. Step 6: Final answer
    x = 43,647.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.