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Finding the Third Proportional to 19,090.69 and 27,270.11

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Solution

The third proportional to 19,090.69 and 27,270.11 is: 38,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.69 : 27,270.11 = 27,270.11 : x
  2. Step 2: Convert to fraction form
    19,090.69/27,270.11 = 27,270.11/x
  3. Step 3: Cross multiply
    19,090.69x = 27,270.11 × 27,270.11
  4. Step 4: Simplify right side
    19,090.69x = 743,658,652.28
  5. Step 5: Solve for x
    x = 743,658,652.28/19,090.69
  6. Step 6: Final answer
    x = 38,954.00

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.