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Finding the Third Proportional to 141,855.75 and 189,283.50

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Solution

The third proportional to 141,855.75 and 189,283.50 is: 252,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,855.75 : 189,283.50 = 189,283.50 : x
  2. Step 2: Convert to fraction form
    141,855.75/189,283.50 = 189,283.50/x
  3. Step 3: Cross multiply
    141,855.75x = 189,283.50 × 189,283.50
  4. Step 4: Simplify right side
    141,855.75x = 35,828,243,372.25
  5. Step 5: Solve for x
    x = 35,828,243,372.25/141,855.75
  6. Step 6: Final answer
    x = 252,568.14

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.