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Finding the Third Proportional to 248,649.75 and 394,328.25

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Solution

The third proportional to 248,649.75 and 394,328.25 is: 625,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,649.75 : 394,328.25 = 394,328.25 : x
  2. Step 2: Convert to fraction form
    248,649.75/394,328.25 = 394,328.25/x
  3. Step 3: Cross multiply
    248,649.75x = 394,328.25 × 394,328.25
  4. Step 4: Simplify right side
    248,649.75x = 155,494,768,748.06
  5. Step 5: Solve for x
    x = 155,494,768,748.06/248,649.75
  6. Step 6: Final answer
    x = 625,356.63

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.