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Finding the Third Proportional to 180,009 and 388,893

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Solution

The third proportional to 180,009 and 388,893 is: 840,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,009 : 388,893 = 388,893 : x
  2. Step 2: Convert to fraction form
    180,009/388,893 = 388,893/x
  3. Step 3: Cross multiply
    180,009x = 388,893 × 388,893
  4. Step 4: Simplify right side
    180,009x = 151,237,765,449
  5. Step 5: Solve for x
    x = 151,237,765,449/180,009
  6. Step 6: Final answer
    x = 840,167.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.