Home / 30,698,115.75-66,504,921.75

Finding the Third Proportional to 30,698,115.75 and 66,504,921.75

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Solution

The third proportional to 30,698,115.75 and 66,504,921.75 is: 144,077,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698,115.75 : 66,504,921.75 = 66,504,921.75 : x
  2. Step 2: Convert to fraction form
    30,698,115.75/66,504,921.75 = 66,504,921.75/x
  3. Step 3: Cross multiply
    30,698,115.75x = 66,504,921.75 × 66,504,921.75
  4. Step 4: Simplify right side
    30,698,115.75x = 4,422,904,616,973,623
  5. Step 5: Solve for x
    x = 4,422,904,616,973,623/30,698,115.75
  6. Step 6: Final answer
    x = 144,077,397.23

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.