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Finding the Third Proportional to 168,712 and 366,947

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Solution

The third proportional to 168,712 and 366,947 is: 798,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,712 : 366,947 = 366,947 : x
  2. Step 2: Convert to fraction form
    168,712/366,947 = 366,947/x
  3. Step 3: Cross multiply
    168,712x = 366,947 × 366,947
  4. Step 4: Simplify right side
    168,712x = 134,650,100,809
  5. Step 5: Solve for x
    x = 134,650,100,809/168,712
  6. Step 6: Final answer
    x = 798,106.25

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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.