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Finding the Third Proportional to 168,684 and 362,376

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Solution

The third proportional to 168,684 and 362,376 is: 778,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,684 : 362,376 = 362,376 : x
  2. Step 2: Convert to fraction form
    168,684/362,376 = 362,376/x
  3. Step 3: Cross multiply
    168,684x = 362,376 × 362,376
  4. Step 4: Simplify right side
    168,684x = 131,316,365,376
  5. Step 5: Solve for x
    x = 131,316,365,376/168,684
  6. Step 6: Final answer
    x = 778,475.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.