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Finding the Third Proportional to 190,483.50 and 284,790.75

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Solution

The third proportional to 190,483.50 and 284,790.75 is: 425,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,483.50 : 284,790.75 = 284,790.75 : x
  2. Step 2: Convert to fraction form
    190,483.50/284,790.75 = 284,790.75/x
  3. Step 3: Cross multiply
    190,483.50x = 284,790.75 × 284,790.75
  4. Step 4: Simplify right side
    190,483.50x = 81,105,771,285.56
  5. Step 5: Solve for x
    x = 81,105,771,285.56/190,483.50
  6. Step 6: Final answer
    x = 425,788.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.