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Finding the Third Proportional to 976,198.50 and 1,999,971

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Solution

The third proportional to 976,198.50 and 1,999,971 is: 4,097,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,198.50 : 1,999,971 = 1,999,971 : x
  2. Step 2: Convert to fraction form
    976,198.50/1,999,971 = 1,999,971/x
  3. Step 3: Cross multiply
    976,198.50x = 1,999,971 × 1,999,971
  4. Step 4: Simplify right side
    976,198.50x = 3,999,884,000,841
  5. Step 5: Solve for x
    x = 3,999,884,000,841/976,198.50
  6. Step 6: Final answer
    x = 4,097,408.47

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.