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Finding the Third Proportional to 370.22 and 857.06

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Solution

The third proportional to 370.22 and 857.06 is: 1,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.22 : 857.06 = 857.06 : x
  2. Step 2: Convert to fraction form
    370.22/857.06 = 857.06/x
  3. Step 3: Cross multiply
    370.22x = 857.06 × 857.06
  4. Step 4: Simplify right side
    370.22x = 734,556.13
  5. Step 5: Solve for x
    x = 734,556.13/370.22
  6. Step 6: Final answer
    x = 1,984.11

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.