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Finding the Third Proportional to 144,567 and 313,268

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Solution

The third proportional to 144,567 and 313,268 is: 678,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,567 : 313,268 = 313,268 : x
  2. Step 2: Convert to fraction form
    144,567/313,268 = 313,268/x
  3. Step 3: Cross multiply
    144,567x = 313,268 × 313,268
  4. Step 4: Simplify right side
    144,567x = 98,136,839,824
  5. Step 5: Solve for x
    x = 98,136,839,824/144,567
  6. Step 6: Final answer
    x = 678,832.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.