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Finding the Third Proportional to 1,608.19 and 3,802.78

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Solution

The third proportional to 1,608.19 and 3,802.78 is: 8,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.19 : 3,802.78 = 3,802.78 : x
  2. Step 2: Convert to fraction form
    1,608.19/3,802.78 = 3,802.78/x
  3. Step 3: Cross multiply
    1,608.19x = 3,802.78 × 3,802.78
  4. Step 4: Simplify right side
    1,608.19x = 14,461,145.24
  5. Step 5: Solve for x
    x = 14,461,145.24/1,608.19
  6. Step 6: Final answer
    x = 8,992.20

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.