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Finding the Third Proportional to 178,548.75 and 371,893.50

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Solution

The third proportional to 178,548.75 and 371,893.50 is: 774,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,548.75 : 371,893.50 = 371,893.50 : x
  2. Step 2: Convert to fraction form
    178,548.75/371,893.50 = 371,893.50/x
  3. Step 3: Cross multiply
    178,548.75x = 371,893.50 × 371,893.50
  4. Step 4: Simplify right side
    178,548.75x = 138,304,775,342.25
  5. Step 5: Solve for x
    x = 138,304,775,342.25/178,548.75
  6. Step 6: Final answer
    x = 774,605.12

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.