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Finding the Third Proportional to 88,173 and 193,840

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Solution

The third proportional to 88,173 and 193,840 is: 426,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,173 : 193,840 = 193,840 : x
  2. Step 2: Convert to fraction form
    88,173/193,840 = 193,840/x
  3. Step 3: Cross multiply
    88,173x = 193,840 × 193,840
  4. Step 4: Simplify right side
    88,173x = 37,573,945,600
  5. Step 5: Solve for x
    x = 37,573,945,600/88,173
  6. Step 6: Final answer
    x = 426,138.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.