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Finding the Third Proportional to 379,490.06 and 815,259.94

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Solution

The third proportional to 379,490.06 and 815,259.94 is: 1,751,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,490.06 : 815,259.94 = 815,259.94 : x
  2. Step 2: Convert to fraction form
    379,490.06/815,259.94 = 815,259.94/x
  3. Step 3: Cross multiply
    379,490.06x = 815,259.94 × 815,259.94
  4. Step 4: Simplify right side
    379,490.06x = 664,648,765,692.50
  5. Step 5: Solve for x
    x = 664,648,765,692.50/379,490.06
  6. Step 6: Final answer
    x = 1,751,426.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.