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Finding the Third Proportional to 397,350.56 and 775,291.50

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Solution

The third proportional to 397,350.56 and 775,291.50 is: 1,512,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,350.56 : 775,291.50 = 775,291.50 : x
  2. Step 2: Convert to fraction form
    397,350.56/775,291.50 = 775,291.50/x
  3. Step 3: Cross multiply
    397,350.56x = 775,291.50 × 775,291.50
  4. Step 4: Simplify right side
    397,350.56x = 601,076,909,972.25
  5. Step 5: Solve for x
    x = 601,076,909,972.25/397,350.56
  6. Step 6: Final answer
    x = 1,512,711.86

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.