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Finding the Third Proportional to 457 and 1,073

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Solution

The third proportional to 457 and 1,073 is: 2,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    457 : 1,073 = 1,073 : x
  2. Step 2: Convert to fraction form
    457/1,073 = 1,073/x
  3. Step 3: Cross multiply
    457x = 1,073 × 1,073
  4. Step 4: Simplify right side
    457x = 1,151,329
  5. Step 5: Solve for x
    x = 1,151,329/457
  6. Step 6: Final answer
    x = 2,519.32

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.