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Finding the Third Proportional to 4,553 and 8,998

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Solution

The third proportional to 4,553 and 8,998 is: 17,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553 : 8,998 = 8,998 : x
  2. Step 2: Convert to fraction form
    4,553/8,998 = 8,998/x
  3. Step 3: Cross multiply
    4,553x = 8,998 × 8,998
  4. Step 4: Simplify right side
    4,553x = 80,964,004
  5. Step 5: Solve for x
    x = 80,964,004/4,553
  6. Step 6: Final answer
    x = 17,782.56

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.