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Finding the Third Proportional to 199,220 and 296,006

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Solution

The third proportional to 199,220 and 296,006 is: 439,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,220 : 296,006 = 296,006 : x
  2. Step 2: Convert to fraction form
    199,220/296,006 = 296,006/x
  3. Step 3: Cross multiply
    199,220x = 296,006 × 296,006
  4. Step 4: Simplify right side
    199,220x = 87,619,552,036
  5. Step 5: Solve for x
    x = 87,619,552,036/199,220
  6. Step 6: Final answer
    x = 439,813.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.