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Finding the Third Proportional to 2,775.75 and 3,045.75

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Solution

The third proportional to 2,775.75 and 3,045.75 is: 3,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.75 : 3,045.75 = 3,045.75 : x
  2. Step 2: Convert to fraction form
    2,775.75/3,045.75 = 3,045.75/x
  3. Step 3: Cross multiply
    2,775.75x = 3,045.75 × 3,045.75
  4. Step 4: Simplify right side
    2,775.75x = 9,276,593.06
  5. Step 5: Solve for x
    x = 9,276,593.06/2,775.75
  6. Step 6: Final answer
    x = 3,342.01

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.