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Finding the Third Proportional to 250,220 and 388,026

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Solution

The third proportional to 250,220 and 388,026 is: 601,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,220 : 388,026 = 388,026 : x
  2. Step 2: Convert to fraction form
    250,220/388,026 = 388,026/x
  3. Step 3: Cross multiply
    250,220x = 388,026 × 388,026
  4. Step 4: Simplify right side
    250,220x = 150,564,176,676
  5. Step 5: Solve for x
    x = 150,564,176,676/250,220
  6. Step 6: Final answer
    x = 601,727.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.