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Finding the Third Proportional to 551.63 and 1,302.38

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Solution

The third proportional to 551.63 and 1,302.38 is: 3,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.63 : 1,302.38 = 1,302.38 : x
  2. Step 2: Convert to fraction form
    551.63/1,302.38 = 1,302.38/x
  3. Step 3: Cross multiply
    551.63x = 1,302.38 × 1,302.38
  4. Step 4: Simplify right side
    551.63x = 1,696,180.64
  5. Step 5: Solve for x
    x = 1,696,180.64/551.63
  6. Step 6: Final answer
    x = 3,074.88

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.