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Finding the Third Proportional to 263,400 and 376,392

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Solution

The third proportional to 263,400 and 376,392 is: 537,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,400 : 376,392 = 376,392 : x
  2. Step 2: Convert to fraction form
    263,400/376,392 = 376,392/x
  3. Step 3: Cross multiply
    263,400x = 376,392 × 376,392
  4. Step 4: Simplify right side
    263,400x = 141,670,937,664
  5. Step 5: Solve for x
    x = 141,670,937,664/263,400
  6. Step 6: Final answer
    x = 537,854.74

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.