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Finding the Third Proportional to 259,285.50 and 554,536.50

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Solution

The third proportional to 259,285.50 and 554,536.50 is: 1,185,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,285.50 : 554,536.50 = 554,536.50 : x
  2. Step 2: Convert to fraction form
    259,285.50/554,536.50 = 554,536.50/x
  3. Step 3: Cross multiply
    259,285.50x = 554,536.50 × 554,536.50
  4. Step 4: Simplify right side
    259,285.50x = 307,510,729,832.25
  5. Step 5: Solve for x
    x = 307,510,729,832.25/259,285.50
  6. Step 6: Final answer
    x = 1,185,992.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.