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Finding the Third Proportional to 683.44 and 1,036.55

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Solution

The third proportional to 683.44 and 1,036.55 is: 1,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.44 : 1,036.55 = 1,036.55 : x
  2. Step 2: Convert to fraction form
    683.44/1,036.55 = 1,036.55/x
  3. Step 3: Cross multiply
    683.44x = 1,036.55 × 1,036.55
  4. Step 4: Simplify right side
    683.44x = 1,074,429.42
  5. Step 5: Solve for x
    x = 1,074,429.42/683.44
  6. Step 6: Final answer
    x = 1,572.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.