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Finding the Third Proportional to 168,440 and 360,220

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Solution

The third proportional to 168,440 and 360,220 is: 770,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,440 : 360,220 = 360,220 : x
  2. Step 2: Convert to fraction form
    168,440/360,220 = 360,220/x
  3. Step 3: Cross multiply
    168,440x = 360,220 × 360,220
  4. Step 4: Simplify right side
    168,440x = 129,758,448,400
  5. Step 5: Solve for x
    x = 129,758,448,400/168,440
  6. Step 6: Final answer
    x = 770,354.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.