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Finding the Third Proportional to 354,768 and 535,838

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Solution

The third proportional to 354,768 and 535,838 is: 809,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,768 : 535,838 = 535,838 : x
  2. Step 2: Convert to fraction form
    354,768/535,838 = 535,838/x
  3. Step 3: Cross multiply
    354,768x = 535,838 × 535,838
  4. Step 4: Simplify right side
    354,768x = 287,122,362,244
  5. Step 5: Solve for x
    x = 287,122,362,244/354,768
  6. Step 6: Final answer
    x = 809,324.30

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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.