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Finding the Third Proportional to 1,505.25 and 3,071.25

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Solution

The third proportional to 1,505.25 and 3,071.25 is: 6,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.25 : 3,071.25 = 3,071.25 : x
  2. Step 2: Convert to fraction form
    1,505.25/3,071.25 = 3,071.25/x
  3. Step 3: Cross multiply
    1,505.25x = 3,071.25 × 3,071.25
  4. Step 4: Simplify right side
    1,505.25x = 9,432,576.56
  5. Step 5: Solve for x
    x = 9,432,576.56/1,505.25
  6. Step 6: Final answer
    x = 6,266.45

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.