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Finding the Third Proportional to 454 and 701.38

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Solution

The third proportional to 454 and 701.38 is: 1,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454 : 701.38 = 701.38 : x
  2. Step 2: Convert to fraction form
    454/701.38 = 701.38/x
  3. Step 3: Cross multiply
    454x = 701.38 × 701.38
  4. Step 4: Simplify right side
    454x = 491,926.89
  5. Step 5: Solve for x
    x = 491,926.89/454
  6. Step 6: Final answer
    x = 1,083.54

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.