Finding the Third Proportional to 873,422 and 1,909,771
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Solution
The third proportional to 873,422 and 1,909,771 is: 4,175,788.19
Step by Step Solution
- Step 1: Write the proportion equation
873,422 : 1,909,771 = 1,909,771 : x - Step 2: Convert to fraction form
873,422/1,909,771 = 1,909,771/x - Step 3: Cross multiply
873,422x = 1,909,771 × 1,909,771 - Step 4: Simplify right side
873,422x = 3,647,225,272,441 - Step 5: Solve for x
x = 3,647,225,272,441/873,422 - Step 6: Final answer
x = 4,175,788.19
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.