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Finding the Third Proportional to 402,453 and 874,794

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Solution

The third proportional to 402,453 and 874,794 is: 1,901,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,453 : 874,794 = 874,794 : x
  2. Step 2: Convert to fraction form
    402,453/874,794 = 874,794/x
  3. Step 3: Cross multiply
    402,453x = 874,794 × 874,794
  4. Step 4: Simplify right side
    402,453x = 765,264,542,436
  5. Step 5: Solve for x
    x = 765,264,542,436/402,453
  6. Step 6: Final answer
    x = 1,901,500.40

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Why These Related Problems?

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