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Finding the Third Proportional to 101,277 and 218,254.50

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Solution

The third proportional to 101,277 and 218,254.50 is: 470,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277 : 218,254.50 = 218,254.50 : x
  2. Step 2: Convert to fraction form
    101,277/218,254.50 = 218,254.50/x
  3. Step 3: Cross multiply
    101,277x = 218,254.50 × 218,254.50
  4. Step 4: Simplify right side
    101,277x = 47,635,026,770.25
  5. Step 5: Solve for x
    x = 47,635,026,770.25/101,277
  6. Step 6: Final answer
    x = 470,343.98

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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.