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Finding the Third Proportional to 672,279.75 and 1,451,520

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Solution

The third proportional to 672,279.75 and 1,451,520 is: 3,133,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,279.75 : 1,451,520 = 1,451,520 : x
  2. Step 2: Convert to fraction form
    672,279.75/1,451,520 = 1,451,520/x
  3. Step 3: Cross multiply
    672,279.75x = 1,451,520 × 1,451,520
  4. Step 4: Simplify right side
    672,279.75x = 2,106,910,310,400
  5. Step 5: Solve for x
    x = 2,106,910,310,400/672,279.75
  6. Step 6: Final answer
    x = 3,133,978.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.