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Finding the Third Proportional to 338,660 and 723,976

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Solution

The third proportional to 338,660 and 723,976 is: 1,547,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,660 : 723,976 = 723,976 : x
  2. Step 2: Convert to fraction form
    338,660/723,976 = 723,976/x
  3. Step 3: Cross multiply
    338,660x = 723,976 × 723,976
  4. Step 4: Simplify right side
    338,660x = 524,141,248,576
  5. Step 5: Solve for x
    x = 524,141,248,576/338,660
  6. Step 6: Final answer
    x = 1,547,691.63

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.