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Finding the Third Proportional to 1,921,689 and 2,824,701

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Solution

The third proportional to 1,921,689 and 2,824,701 is: 4,152,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,689 : 2,824,701 = 2,824,701 : x
  2. Step 2: Convert to fraction form
    1,921,689/2,824,701 = 2,824,701/x
  3. Step 3: Cross multiply
    1,921,689x = 2,824,701 × 2,824,701
  4. Step 4: Simplify right side
    1,921,689x = 7,978,935,739,401
  5. Step 5: Solve for x
    x = 7,978,935,739,401/1,921,689
  6. Step 6: Final answer
    x = 4,152,043.20

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.