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Finding the Third Proportional to 19,436.44 and 40,831.13

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Solution

The third proportional to 19,436.44 and 40,831.13 is: 85,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.44 : 40,831.13 = 40,831.13 : x
  2. Step 2: Convert to fraction form
    19,436.44/40,831.13 = 40,831.13/x
  3. Step 3: Cross multiply
    19,436.44x = 40,831.13 × 40,831.13
  4. Step 4: Simplify right side
    19,436.44x = 1,667,180,768.77
  5. Step 5: Solve for x
    x = 1,667,180,768.77/19,436.44
  6. Step 6: Final answer
    x = 85,776.05

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.