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Finding the Third Proportional to 1,375,530 and 2,988,228

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Solution

The third proportional to 1,375,530 and 2,988,228 is: 6,491,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,530 : 2,988,228 = 2,988,228 : x
  2. Step 2: Convert to fraction form
    1,375,530/2,988,228 = 2,988,228/x
  3. Step 3: Cross multiply
    1,375,530x = 2,988,228 × 2,988,228
  4. Step 4: Simplify right side
    1,375,530x = 8,929,506,579,984
  5. Step 5: Solve for x
    x = 8,929,506,579,984/1,375,530
  6. Step 6: Final answer
    x = 6,491,684.35

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.