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Finding the Third Proportional to 176,018.50 and 378,570.50

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Solution

The third proportional to 176,018.50 and 378,570.50 is: 814,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,018.50 : 378,570.50 = 378,570.50 : x
  2. Step 2: Convert to fraction form
    176,018.50/378,570.50 = 378,570.50/x
  3. Step 3: Cross multiply
    176,018.50x = 378,570.50 × 378,570.50
  4. Step 4: Simplify right side
    176,018.50x = 143,315,623,470.25
  5. Step 5: Solve for x
    x = 143,315,623,470.25/176,018.50
  6. Step 6: Final answer
    x = 814,207.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.