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Finding the Third Proportional to 355,122 and 855,819

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Solution

The third proportional to 355,122 and 855,819 is: 2,062,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,122 : 855,819 = 855,819 : x
  2. Step 2: Convert to fraction form
    355,122/855,819 = 855,819/x
  3. Step 3: Cross multiply
    355,122x = 855,819 × 855,819
  4. Step 4: Simplify right side
    355,122x = 732,426,160,761
  5. Step 5: Solve for x
    x = 732,426,160,761/355,122
  6. Step 6: Final answer
    x = 2,062,463.49

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.