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Finding the Third Proportional to 887,431.50 and 1,269,040.50

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Solution

The third proportional to 887,431.50 and 1,269,040.50 is: 1,814,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,431.50 : 1,269,040.50 = 1,269,040.50 : x
  2. Step 2: Convert to fraction form
    887,431.50/1,269,040.50 = 1,269,040.50/x
  3. Step 3: Cross multiply
    887,431.50x = 1,269,040.50 × 1,269,040.50
  4. Step 4: Simplify right side
    887,431.50x = 1,610,463,790,640.25
  5. Step 5: Solve for x
    x = 1,610,463,790,640.25/887,431.50
  6. Step 6: Final answer
    x = 1,814,747.16

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.