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Finding the Third Proportional to 80,256 and 127,192.50

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Solution

The third proportional to 80,256 and 127,192.50 is: 201,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256 : 127,192.50 = 127,192.50 : x
  2. Step 2: Convert to fraction form
    80,256/127,192.50 = 127,192.50/x
  3. Step 3: Cross multiply
    80,256x = 127,192.50 × 127,192.50
  4. Step 4: Simplify right side
    80,256x = 16,177,932,056.25
  5. Step 5: Solve for x
    x = 16,177,932,056.25/80,256
  6. Step 6: Final answer
    x = 201,579.10

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.