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Finding the Third Proportional to 153,059.25 and 315,942.75

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Solution

The third proportional to 153,059.25 and 315,942.75 is: 652,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,059.25 : 315,942.75 = 315,942.75 : x
  2. Step 2: Convert to fraction form
    153,059.25/315,942.75 = 315,942.75/x
  3. Step 3: Cross multiply
    153,059.25x = 315,942.75 × 315,942.75
  4. Step 4: Simplify right side
    153,059.25x = 99,819,821,277.56
  5. Step 5: Solve for x
    x = 99,819,821,277.56/153,059.25
  6. Step 6: Final answer
    x = 652,164.58

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.