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Finding the Third Proportional to 676.27 and 1,455.05

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Solution

The third proportional to 676.27 and 1,455.05 is: 3,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.27 : 1,455.05 = 1,455.05 : x
  2. Step 2: Convert to fraction form
    676.27/1,455.05 = 1,455.05/x
  3. Step 3: Cross multiply
    676.27x = 1,455.05 × 1,455.05
  4. Step 4: Simplify right side
    676.27x = 2,117,161.41
  5. Step 5: Solve for x
    x = 2,117,161.41/676.27
  6. Step 6: Final answer
    x = 3,130.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.