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Finding the Third Proportional to 873,907.31 and 1,869,243.75

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Solution

The third proportional to 873,907.31 and 1,869,243.75 is: 3,998,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,907.31 : 1,869,243.75 = 1,869,243.75 : x
  2. Step 2: Convert to fraction form
    873,907.31/1,869,243.75 = 1,869,243.75/x
  3. Step 3: Cross multiply
    873,907.31x = 1,869,243.75 × 1,869,243.75
  4. Step 4: Simplify right side
    873,907.31x = 3,494,072,196,914.06
  5. Step 5: Solve for x
    x = 3,494,072,196,914.06/873,907.31
  6. Step 6: Final answer
    x = 3,998,218.29

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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.