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Finding the Third Proportional to 80,040 and 115,927.50

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Solution

The third proportional to 80,040 and 115,927.50 is: 167,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,040 : 115,927.50 = 115,927.50 : x
  2. Step 2: Convert to fraction form
    80,040/115,927.50 = 115,927.50/x
  3. Step 3: Cross multiply
    80,040x = 115,927.50 × 115,927.50
  4. Step 4: Simplify right side
    80,040x = 13,439,185,256.25
  5. Step 5: Solve for x
    x = 13,439,185,256.25/80,040
  6. Step 6: Final answer
    x = 167,905.86

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.