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Finding the Third Proportional to 338,544 and 720,952

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Solution

The third proportional to 338,544 and 720,952 is: 1,535,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,544 : 720,952 = 720,952 : x
  2. Step 2: Convert to fraction form
    338,544/720,952 = 720,952/x
  3. Step 3: Cross multiply
    338,544x = 720,952 × 720,952
  4. Step 4: Simplify right side
    338,544x = 519,771,786,304
  5. Step 5: Solve for x
    x = 519,771,786,304/338,544
  6. Step 6: Final answer
    x = 1,535,315.31

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.