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Finding the Third Proportional to 1,283,898 and 1,986,942

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Solution

The third proportional to 1,283,898 and 1,986,942 is: 3,074,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,898 : 1,986,942 = 1,986,942 : x
  2. Step 2: Convert to fraction form
    1,283,898/1,986,942 = 1,986,942/x
  3. Step 3: Cross multiply
    1,283,898x = 1,986,942 × 1,986,942
  4. Step 4: Simplify right side
    1,283,898x = 3,947,938,511,364
  5. Step 5: Solve for x
    x = 3,947,938,511,364/1,283,898
  6. Step 6: Final answer
    x = 3,074,962.74

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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.