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Finding the Third Proportional to 683.44 and 1,055.53

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Solution

The third proportional to 683.44 and 1,055.53 is: 1,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.44 : 1,055.53 = 1,055.53 : x
  2. Step 2: Convert to fraction form
    683.44/1,055.53 = 1,055.53/x
  3. Step 3: Cross multiply
    683.44x = 1,055.53 × 1,055.53
  4. Step 4: Simplify right side
    683.44x = 1,114,146.22
  5. Step 5: Solve for x
    x = 1,114,146.22/683.44
  6. Step 6: Final answer
    x = 1,630.21

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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.