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Finding the Third Proportional to 255,192.75 and 376,969.50

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Solution

The third proportional to 255,192.75 and 376,969.50 is: 556,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,192.75 : 376,969.50 = 376,969.50 : x
  2. Step 2: Convert to fraction form
    255,192.75/376,969.50 = 376,969.50/x
  3. Step 3: Cross multiply
    255,192.75x = 376,969.50 × 376,969.50
  4. Step 4: Simplify right side
    255,192.75x = 142,106,003,930.25
  5. Step 5: Solve for x
    x = 142,106,003,930.25/255,192.75
  6. Step 6: Final answer
    x = 556,857.53

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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.