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Finding the Third Proportional to 474.19 and 704.53

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Solution

The third proportional to 474.19 and 704.53 is: 1,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.19 : 704.53 = 704.53 : x
  2. Step 2: Convert to fraction form
    474.19/704.53 = 704.53/x
  3. Step 3: Cross multiply
    474.19x = 704.53 × 704.53
  4. Step 4: Simplify right side
    474.19x = 496,364.28
  5. Step 5: Solve for x
    x = 496,364.28/474.19
  6. Step 6: Final answer
    x = 1,046.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.