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Finding the Third Proportional to 141,194 and 310,468

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Solution

The third proportional to 141,194 and 310,468 is: 682,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,194 : 310,468 = 310,468 : x
  2. Step 2: Convert to fraction form
    141,194/310,468 = 310,468/x
  3. Step 3: Cross multiply
    141,194x = 310,468 × 310,468
  4. Step 4: Simplify right side
    141,194x = 96,390,379,024
  5. Step 5: Solve for x
    x = 96,390,379,024/141,194
  6. Step 6: Final answer
    x = 682,680.42

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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.