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Finding the Third Proportional to 262,514 and 388,236

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Solution

The third proportional to 262,514 and 388,236 is: 574,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,514 : 388,236 = 388,236 : x
  2. Step 2: Convert to fraction form
    262,514/388,236 = 388,236/x
  3. Step 3: Cross multiply
    262,514x = 388,236 × 388,236
  4. Step 4: Simplify right side
    262,514x = 150,727,191,696
  5. Step 5: Solve for x
    x = 150,727,191,696/262,514
  6. Step 6: Final answer
    x = 574,168.20

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.