Finding the Third Proportional to 872,592 and 1,280,160
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Solution
The third proportional to 872,592 and 1,280,160 is: 1,878,093.80
Step by Step Solution
- Step 1: Write the proportion equation
872,592 : 1,280,160 = 1,280,160 : x - Step 2: Convert to fraction form
872,592/1,280,160 = 1,280,160/x - Step 3: Cross multiply
872,592x = 1,280,160 × 1,280,160 - Step 4: Simplify right side
872,592x = 1,638,809,625,600 - Step 5: Solve for x
x = 1,638,809,625,600/872,592 - Step 6: Final answer
x = 1,878,093.80
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.