Finding the Third Proportional to 642,879,697 and 1,395,354,302
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Solution
The third proportional to 642,879,697 and 1,395,354,302 is: 3,028,581,610.52
Step by Step Solution
- Step 1: Write the proportion equation
642,879,697 : 1,395,354,302 = 1,395,354,302 : x - Step 2: Convert to fraction form
642,879,697/1,395,354,302 = 1,395,354,302/x - Step 3: Cross multiply
642,879,697x = 1,395,354,302 × 1,395,354,302 - Step 4: Simplify right side
642,879,697x = 1,947,013,628,109,907,200 - Step 5: Solve for x
x = 1,947,013,628,109,907,200/642,879,697 - Step 6: Final answer
x = 3,028,581,610.52
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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.