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Finding the Third Proportional to 144,623 and 313,577

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Solution

The third proportional to 144,623 and 313,577 is: 679,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,623 : 313,577 = 313,577 : x
  2. Step 2: Convert to fraction form
    144,623/313,577 = 313,577/x
  3. Step 3: Cross multiply
    144,623x = 313,577 × 313,577
  4. Step 4: Simplify right side
    144,623x = 98,330,534,929
  5. Step 5: Solve for x
    x = 98,330,534,929/144,623
  6. Step 6: Final answer
    x = 679,909.38

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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.