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Finding the Third Proportional to 846,459 and 1,809,395

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Solution

The third proportional to 846,459 and 1,809,395 is: 3,867,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,459 : 1,809,395 = 1,809,395 : x
  2. Step 2: Convert to fraction form
    846,459/1,809,395 = 1,809,395/x
  3. Step 3: Cross multiply
    846,459x = 1,809,395 × 1,809,395
  4. Step 4: Simplify right side
    846,459x = 3,273,910,266,025
  5. Step 5: Solve for x
    x = 3,273,910,266,025/846,459
  6. Step 6: Final answer
    x = 3,867,771.82

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.