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Finding the Third Proportional to 876,678 and 1,893,036

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Solution

The third proportional to 876,678 and 1,893,036 is: 4,087,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,678 : 1,893,036 = 1,893,036 : x
  2. Step 2: Convert to fraction form
    876,678/1,893,036 = 1,893,036/x
  3. Step 3: Cross multiply
    876,678x = 1,893,036 × 1,893,036
  4. Step 4: Simplify right side
    876,678x = 3,583,585,297,296
  5. Step 5: Solve for x
    x = 3,583,585,297,296/876,678
  6. Step 6: Final answer
    x = 4,087,687.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.