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Finding the Third Proportional to 947.63 and 1,451.63

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Solution

The third proportional to 947.63 and 1,451.63 is: 2,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    947.63 : 1,451.63 = 1,451.63 : x
  2. Step 2: Convert to fraction form
    947.63/1,451.63 = 1,451.63/x
  3. Step 3: Cross multiply
    947.63x = 1,451.63 × 1,451.63
  4. Step 4: Simplify right side
    947.63x = 2,107,215.14
  5. Step 5: Solve for x
    x = 2,107,215.14/947.63
  6. Step 6: Final answer
    x = 2,223.68

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.