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Finding the Third Proportional to 538,599.50 and 819,090.75

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Solution

The third proportional to 538,599.50 and 819,090.75 is: 1,245,655.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,599.50 : 819,090.75 = 819,090.75 : x
  2. Step 2: Convert to fraction form
    538,599.50/819,090.75 = 819,090.75/x
  3. Step 3: Cross multiply
    538,599.50x = 819,090.75 × 819,090.75
  4. Step 4: Simplify right side
    538,599.50x = 670,909,656,735.56
  5. Step 5: Solve for x
    x = 670,909,656,735.56/538,599.50
  6. Step 6: Final answer
    x = 1,245,655.92

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.