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Finding the Third Proportional to 18,999.56 and 29,243.53

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Solution

The third proportional to 18,999.56 and 29,243.53 is: 45,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.56 : 29,243.53 = 29,243.53 : x
  2. Step 2: Convert to fraction form
    18,999.56/29,243.53 = 29,243.53/x
  3. Step 3: Cross multiply
    18,999.56x = 29,243.53 × 29,243.53
  4. Step 4: Simplify right side
    18,999.56x = 855,184,119.97
  5. Step 5: Solve for x
    x = 855,184,119.97/18,999.56
  6. Step 6: Final answer
    x = 45,010.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.