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Finding the Third Proportional to 554.63 and 1,325.25

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Solution

The third proportional to 554.63 and 1,325.25 is: 3,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.63 : 1,325.25 = 1,325.25 : x
  2. Step 2: Convert to fraction form
    554.63/1,325.25 = 1,325.25/x
  3. Step 3: Cross multiply
    554.63x = 1,325.25 × 1,325.25
  4. Step 4: Simplify right side
    554.63x = 1,756,287.56
  5. Step 5: Solve for x
    x = 1,756,287.56/554.63
  6. Step 6: Final answer
    x = 3,166.62

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.