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Finding the Third Proportional to 235,178 and 354,954

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Solution

The third proportional to 235,178 and 354,954 is: 535,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,178 : 354,954 = 354,954 : x
  2. Step 2: Convert to fraction form
    235,178/354,954 = 354,954/x
  3. Step 3: Cross multiply
    235,178x = 354,954 × 354,954
  4. Step 4: Simplify right side
    235,178x = 125,992,342,116
  5. Step 5: Solve for x
    x = 125,992,342,116/235,178
  6. Step 6: Final answer
    x = 535,731.84

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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.