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Finding the Third Proportional to 319,936.50 and 700,008.75

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Solution

The third proportional to 319,936.50 and 700,008.75 is: 1,531,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,936.50 : 700,008.75 = 700,008.75 : x
  2. Step 2: Convert to fraction form
    319,936.50/700,008.75 = 700,008.75/x
  3. Step 3: Cross multiply
    319,936.50x = 700,008.75 × 700,008.75
  4. Step 4: Simplify right side
    319,936.50x = 490,012,250,076.56
  5. Step 5: Solve for x
    x = 490,012,250,076.56/319,936.50
  6. Step 6: Final answer
    x = 1,531,592.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.