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Finding the Third Proportional to 755.06 and 1,656.94

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Solution

The third proportional to 755.06 and 1,656.94 is: 3,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.06 : 1,656.94 = 1,656.94 : x
  2. Step 2: Convert to fraction form
    755.06/1,656.94 = 1,656.94/x
  3. Step 3: Cross multiply
    755.06x = 1,656.94 × 1,656.94
  4. Step 4: Simplify right side
    755.06x = 2,745,441.88
  5. Step 5: Solve for x
    x = 2,745,441.88/755.06
  6. Step 6: Final answer
    x = 3,636.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.