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Finding the Third Proportional to 251,201 and 376,805.50

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Solution

The third proportional to 251,201 and 376,805.50 is: 565,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,201 : 376,805.50 = 376,805.50 : x
  2. Step 2: Convert to fraction form
    251,201/376,805.50 = 376,805.50/x
  3. Step 3: Cross multiply
    251,201x = 376,805.50 × 376,805.50
  4. Step 4: Simplify right side
    251,201x = 141,982,384,830.25
  5. Step 5: Solve for x
    x = 141,982,384,830.25/251,201
  6. Step 6: Final answer
    x = 565,214.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.