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Finding the Third Proportional to 422,507.50 and 939,466.50

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Solution

The third proportional to 422,507.50 and 939,466.50 is: 2,088,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,507.50 : 939,466.50 = 939,466.50 : x
  2. Step 2: Convert to fraction form
    422,507.50/939,466.50 = 939,466.50/x
  3. Step 3: Cross multiply
    422,507.50x = 939,466.50 × 939,466.50
  4. Step 4: Simplify right side
    422,507.50x = 882,597,304,622.25
  5. Step 5: Solve for x
    x = 882,597,304,622.25/422,507.50
  6. Step 6: Final answer
    x = 2,088,950.62

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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.