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Finding the Third Proportional to 349,959 and 723,249

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Solution

The third proportional to 349,959 and 723,249 is: 1,494,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,959 : 723,249 = 723,249 : x
  2. Step 2: Convert to fraction form
    349,959/723,249 = 723,249/x
  3. Step 3: Cross multiply
    349,959x = 723,249 × 723,249
  4. Step 4: Simplify right side
    349,959x = 523,089,116,001
  5. Step 5: Solve for x
    x = 523,089,116,001/349,959
  6. Step 6: Final answer
    x = 1,494,715.43

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.