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Finding the Third Proportional to 350,980 and 513,307

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Solution

The third proportional to 350,980 and 513,307 is: 750,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,980 : 513,307 = 513,307 : x
  2. Step 2: Convert to fraction form
    350,980/513,307 = 513,307/x
  3. Step 3: Cross multiply
    350,980x = 513,307 × 513,307
  4. Step 4: Simplify right side
    350,980x = 263,484,076,249
  5. Step 5: Solve for x
    x = 263,484,076,249/350,980
  6. Step 6: Final answer
    x = 750,709.66

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.