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Finding the Third Proportional to 108,028.69 and 155,071.97

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Solution

The third proportional to 108,028.69 and 155,071.97 is: 222,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,028.69 : 155,071.97 = 155,071.97 : x
  2. Step 2: Convert to fraction form
    108,028.69/155,071.97 = 155,071.97/x
  3. Step 3: Cross multiply
    108,028.69x = 155,071.97 × 155,071.97
  4. Step 4: Simplify right side
    108,028.69x = 24,047,315,492.00
  5. Step 5: Solve for x
    x = 24,047,315,492.00/108,028.69
  6. Step 6: Final answer
    x = 222,601.20

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.