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Finding the Third Proportional to 18,667.13 and 40,302.98

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Solution

The third proportional to 18,667.13 and 40,302.98 is: 87,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.13 : 40,302.98 = 40,302.98 : x
  2. Step 2: Convert to fraction form
    18,667.13/40,302.98 = 40,302.98/x
  3. Step 3: Cross multiply
    18,667.13x = 40,302.98 × 40,302.98
  4. Step 4: Simplify right side
    18,667.13x = 1,624,330,549.53
  5. Step 5: Solve for x
    x = 1,624,330,549.53/18,667.13
  6. Step 6: Final answer
    x = 87,015.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.