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Finding the Third Proportional to 1,477.93 and 3,412.92

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Solution

The third proportional to 1,477.93 and 3,412.92 is: 7,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.93 : 3,412.92 = 3,412.92 : x
  2. Step 2: Convert to fraction form
    1,477.93/3,412.92 = 3,412.92/x
  3. Step 3: Cross multiply
    1,477.93x = 3,412.92 × 3,412.92
  4. Step 4: Simplify right side
    1,477.93x = 11,647,995.73
  5. Step 5: Solve for x
    x = 11,647,995.73/1,477.93
  6. Step 6: Final answer
    x = 7,881.27

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.