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Finding the Third Proportional to 444,879 and 689,434.88

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Solution

The third proportional to 444,879 and 689,434.88 is: 1,068,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,879 : 689,434.88 = 689,434.88 : x
  2. Step 2: Convert to fraction form
    444,879/689,434.88 = 689,434.88/x
  3. Step 3: Cross multiply
    444,879x = 689,434.88 × 689,434.88
  4. Step 4: Simplify right side
    444,879x = 475,320,446,866.27
  5. Step 5: Solve for x
    x = 475,320,446,866.27/444,879
  6. Step 6: Final answer
    x = 1,068,426.35

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.