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Finding the Third Proportional to 119,139 and 255,553.50

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Solution

The third proportional to 119,139 and 255,553.50 is: 548,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,139 : 255,553.50 = 255,553.50 : x
  2. Step 2: Convert to fraction form
    119,139/255,553.50 = 255,553.50/x
  3. Step 3: Cross multiply
    119,139x = 255,553.50 × 255,553.50
  4. Step 4: Simplify right side
    119,139x = 65,307,591,362.25
  5. Step 5: Solve for x
    x = 65,307,591,362.25/119,139
  6. Step 6: Final answer
    x = 548,163.00

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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.