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Finding the Third Proportional to 1,432.69 and 3,174.19

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Solution

The third proportional to 1,432.69 and 3,174.19 is: 7,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.69 : 3,174.19 = 3,174.19 : x
  2. Step 2: Convert to fraction form
    1,432.69/3,174.19 = 3,174.19/x
  3. Step 3: Cross multiply
    1,432.69x = 3,174.19 × 3,174.19
  4. Step 4: Simplify right side
    1,432.69x = 10,075,466.29
  5. Step 5: Solve for x
    x = 10,075,466.29/1,432.69
  6. Step 6: Final answer
    x = 7,032.56

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.