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Finding the Third Proportional to 177,423.75 and 378,073.41

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Solution

The third proportional to 177,423.75 and 378,073.41 is: 805,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,423.75 : 378,073.41 = 378,073.41 : x
  2. Step 2: Convert to fraction form
    177,423.75/378,073.41 = 378,073.41/x
  3. Step 3: Cross multiply
    177,423.75x = 378,073.41 × 378,073.41
  4. Step 4: Simplify right side
    177,423.75x = 142,939,500,513.48
  5. Step 5: Solve for x
    x = 142,939,500,513.48/177,423.75
  6. Step 6: Final answer
    x = 805,639.05

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.