Home / 388,313,112.38-834,258,031.88

Finding the Third Proportional to 388,313,112.38 and 834,258,031.88

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Solution

The third proportional to 388,313,112.38 and 834,258,031.88 is: 1,792,333,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,313,112.38 : 834,258,031.88 = 834,258,031.88 : x
  2. Step 2: Convert to fraction form
    388,313,112.38/834,258,031.88 = 834,258,031.88/x
  3. Step 3: Cross multiply
    388,313,112.38x = 834,258,031.88 × 834,258,031.88
  4. Step 4: Simplify right side
    388,313,112.38x = 695,986,463,747,948,544
  5. Step 5: Solve for x
    x = 695,986,463,747,948,544/388,313,112.38
  6. Step 6: Final answer
    x = 1,792,333,149.64

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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.