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Finding the Third Proportional to 178,810.88 and 372,168

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Solution

The third proportional to 178,810.88 and 372,168 is: 774,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,810.88 : 372,168 = 372,168 : x
  2. Step 2: Convert to fraction form
    178,810.88/372,168 = 372,168/x
  3. Step 3: Cross multiply
    178,810.88x = 372,168 × 372,168
  4. Step 4: Simplify right side
    178,810.88x = 138,509,020,224
  5. Step 5: Solve for x
    x = 138,509,020,224/178,810.88
  6. Step 6: Final answer
    x = 774,611.84

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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.