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Finding the Third Proportional to 253.44 and 541.05

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Solution

The third proportional to 253.44 and 541.05 is: 1,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.44 : 541.05 = 541.05 : x
  2. Step 2: Convert to fraction form
    253.44/541.05 = 541.05/x
  3. Step 3: Cross multiply
    253.44x = 541.05 × 541.05
  4. Step 4: Simplify right side
    253.44x = 292,740.17
  5. Step 5: Solve for x
    x = 292,740.17/253.44
  6. Step 6: Final answer
    x = 1,155.06

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.