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Finding the Third Proportional to 122,178 and 265,234.50

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Solution

The third proportional to 122,178 and 265,234.50 is: 575,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,178 : 265,234.50 = 265,234.50 : x
  2. Step 2: Convert to fraction form
    122,178/265,234.50 = 265,234.50/x
  3. Step 3: Cross multiply
    122,178x = 265,234.50 × 265,234.50
  4. Step 4: Simplify right side
    122,178x = 70,349,339,990.25
  5. Step 5: Solve for x
    x = 70,349,339,990.25/122,178
  6. Step 6: Final answer
    x = 575,793.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.