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Finding the Third Proportional to 177,910.50 and 277,069.50

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Solution

The third proportional to 177,910.50 and 277,069.50 is: 431,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,910.50 : 277,069.50 = 277,069.50 : x
  2. Step 2: Convert to fraction form
    177,910.50/277,069.50 = 277,069.50/x
  3. Step 3: Cross multiply
    177,910.50x = 277,069.50 × 277,069.50
  4. Step 4: Simplify right side
    177,910.50x = 76,767,507,830.25
  5. Step 5: Solve for x
    x = 76,767,507,830.25/177,910.50
  6. Step 6: Final answer
    x = 431,495.09

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.