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Finding the Third Proportional to 168,038.25 and 369,205.50

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Solution

The third proportional to 168,038.25 and 369,205.50 is: 811,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,038.25 : 369,205.50 = 369,205.50 : x
  2. Step 2: Convert to fraction form
    168,038.25/369,205.50 = 369,205.50/x
  3. Step 3: Cross multiply
    168,038.25x = 369,205.50 × 369,205.50
  4. Step 4: Simplify right side
    168,038.25x = 136,312,701,230.25
  5. Step 5: Solve for x
    x = 136,312,701,230.25/168,038.25
  6. Step 6: Final answer
    x = 811,200.43

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.