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Finding the Third Proportional to 1,284,101 and 1,991,073

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Solution

The third proportional to 1,284,101 and 1,991,073 is: 3,087,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,101 : 1,991,073 = 1,991,073 : x
  2. Step 2: Convert to fraction form
    1,284,101/1,991,073 = 1,991,073/x
  3. Step 3: Cross multiply
    1,284,101x = 1,991,073 × 1,991,073
  4. Step 4: Simplify right side
    1,284,101x = 3,964,371,691,329
  5. Step 5: Solve for x
    x = 3,964,371,691,329/1,284,101
  6. Step 6: Final answer
    x = 3,087,274.05

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.