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Finding the Third Proportional to 168,555 and 362,122.50

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Solution

The third proportional to 168,555 and 362,122.50 is: 777,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,555 : 362,122.50 = 362,122.50 : x
  2. Step 2: Convert to fraction form
    168,555/362,122.50 = 362,122.50/x
  3. Step 3: Cross multiply
    168,555x = 362,122.50 × 362,122.50
  4. Step 4: Simplify right side
    168,555x = 131,132,705,006.25
  5. Step 5: Solve for x
    x = 131,132,705,006.25/168,555
  6. Step 6: Final answer
    x = 777,981.70

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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.