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Finding the Third Proportional to 354,804 and 535,878

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Solution

The third proportional to 354,804 and 535,878 is: 809,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,804 : 535,878 = 535,878 : x
  2. Step 2: Convert to fraction form
    354,804/535,878 = 535,878/x
  3. Step 3: Cross multiply
    354,804x = 535,878 × 535,878
  4. Step 4: Simplify right side
    354,804x = 287,165,230,884
  5. Step 5: Solve for x
    x = 287,165,230,884/354,804
  6. Step 6: Final answer
    x = 809,363.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.