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Finding the Third Proportional to 263,185.50 and 376,363.50

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Solution

The third proportional to 263,185.50 and 376,363.50 is: 538,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,185.50 : 376,363.50 = 376,363.50 : x
  2. Step 2: Convert to fraction form
    263,185.50/376,363.50 = 376,363.50/x
  3. Step 3: Cross multiply
    263,185.50x = 376,363.50 × 376,363.50
  4. Step 4: Simplify right side
    263,185.50x = 141,649,484,132.25
  5. Step 5: Solve for x
    x = 141,649,484,132.25/263,185.50
  6. Step 6: Final answer
    x = 538,211.58

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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.