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Finding the Third Proportional to 251,844.75 and 349,056

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Solution

The third proportional to 251,844.75 and 349,056 is: 483,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,844.75 : 349,056 = 349,056 : x
  2. Step 2: Convert to fraction form
    251,844.75/349,056 = 349,056/x
  3. Step 3: Cross multiply
    251,844.75x = 349,056 × 349,056
  4. Step 4: Simplify right side
    251,844.75x = 121,840,091,136
  5. Step 5: Solve for x
    x = 121,840,091,136/251,844.75
  6. Step 6: Final answer
    x = 483,790.47

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.