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Finding the Third Proportional to 272.53 and 625.01

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Solution

The third proportional to 272.53 and 625.01 is: 1,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.53 : 625.01 = 625.01 : x
  2. Step 2: Convert to fraction form
    272.53/625.01 = 625.01/x
  3. Step 3: Cross multiply
    272.53x = 625.01 × 625.01
  4. Step 4: Simplify right side
    272.53x = 390,634.77
  5. Step 5: Solve for x
    x = 390,634.77/272.53
  6. Step 6: Final answer
    x = 1,433.36

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.