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Finding the Third Proportional to 422,485.88 and 939,427.88

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Solution

The third proportional to 422,485.88 and 939,427.88 is: 2,088,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,485.88 : 939,427.88 = 939,427.88 : x
  2. Step 2: Convert to fraction form
    422,485.88/939,427.88 = 939,427.88/x
  3. Step 3: Cross multiply
    422,485.88x = 939,427.88 × 939,427.88
  4. Step 4: Simplify right side
    422,485.88x = 882,524,732,327.02
  5. Step 5: Solve for x
    x = 882,524,732,327.02/422,485.88
  6. Step 6: Final answer
    x = 2,088,885.77

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.