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Finding the Third Proportional to 338,811 and 498,831

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Solution

The third proportional to 338,811 and 498,831 is: 734,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,811 : 498,831 = 498,831 : x
  2. Step 2: Convert to fraction form
    338,811/498,831 = 498,831/x
  3. Step 3: Cross multiply
    338,811x = 498,831 × 498,831
  4. Step 4: Simplify right side
    338,811x = 248,832,366,561
  5. Step 5: Solve for x
    x = 248,832,366,561/338,811
  6. Step 6: Final answer
    x = 734,428.24

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.