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Finding the Third Proportional to 5,458,998.75 and 11,684,835.75

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Solution

The third proportional to 5,458,998.75 and 11,684,835.75 is: 25,011,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,998.75 : 11,684,835.75 = 11,684,835.75 : x
  2. Step 2: Convert to fraction form
    5,458,998.75/11,684,835.75 = 11,684,835.75/x
  3. Step 3: Cross multiply
    5,458,998.75x = 11,684,835.75 × 11,684,835.75
  4. Step 4: Simplify right side
    5,458,998.75x = 136,535,386,504,478.06
  5. Step 5: Solve for x
    x = 136,535,386,504,478.06/5,458,998.75
  6. Step 6: Final answer
    x = 25,011,067.55

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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.