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Finding the Third Proportional to 683.63 and 1,282.88

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Solution

The third proportional to 683.63 and 1,282.88 is: 2,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.63 : 1,282.88 = 1,282.88 : x
  2. Step 2: Convert to fraction form
    683.63/1,282.88 = 1,282.88/x
  3. Step 3: Cross multiply
    683.63x = 1,282.88 × 1,282.88
  4. Step 4: Simplify right side
    683.63x = 1,645,768.27
  5. Step 5: Solve for x
    x = 1,645,768.27/683.63
  6. Step 6: Final answer
    x = 2,407.41

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.