Finding the Third Proportional to 878,989.50 and 1,865,889
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Solution
The third proportional to 878,989.50 and 1,865,889 is: 3,960,845.68
Step by Step Solution
- Step 1: Write the proportion equation
878,989.50 : 1,865,889 = 1,865,889 : x - Step 2: Convert to fraction form
878,989.50/1,865,889 = 1,865,889/x - Step 3: Cross multiply
878,989.50x = 1,865,889 × 1,865,889 - Step 4: Simplify right side
878,989.50x = 3,481,541,760,321 - Step 5: Solve for x
x = 3,481,541,760,321/878,989.50 - Step 6: Final answer
x = 3,960,845.68
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.