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Finding the Third Proportional to 66,393 and 155,533.50

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Solution

The third proportional to 66,393 and 155,533.50 is: 364,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,393 : 155,533.50 = 155,533.50 : x
  2. Step 2: Convert to fraction form
    66,393/155,533.50 = 155,533.50/x
  3. Step 3: Cross multiply
    66,393x = 155,533.50 × 155,533.50
  4. Step 4: Simplify right side
    66,393x = 24,190,669,622.25
  5. Step 5: Solve for x
    x = 24,190,669,622.25/66,393
  6. Step 6: Final answer
    x = 364,355.72

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.