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Finding the Third Proportional to 163,158 and 335,100

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Solution

The third proportional to 163,158 and 335,100 is: 688,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,158 : 335,100 = 335,100 : x
  2. Step 2: Convert to fraction form
    163,158/335,100 = 335,100/x
  3. Step 3: Cross multiply
    163,158x = 335,100 × 335,100
  4. Step 4: Simplify right side
    163,158x = 112,292,010,000
  5. Step 5: Solve for x
    x = 112,292,010,000/163,158
  6. Step 6: Final answer
    x = 688,240.91

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.