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Finding the Third Proportional to 94,786 and 142,420

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Solution

The third proportional to 94,786 and 142,420 is: 213,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,786 : 142,420 = 142,420 : x
  2. Step 2: Convert to fraction form
    94,786/142,420 = 142,420/x
  3. Step 3: Cross multiply
    94,786x = 142,420 × 142,420
  4. Step 4: Simplify right side
    94,786x = 20,283,456,400
  5. Step 5: Solve for x
    x = 20,283,456,400/94,786
  6. Step 6: Final answer
    x = 213,992.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.