Finding the Third Proportional to 528,085 and 1,135,781
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Solution
The third proportional to 528,085 and 1,135,781 is: 2,442,785.69
Step by Step Solution
- Step 1: Write the proportion equation
528,085 : 1,135,781 = 1,135,781 : x - Step 2: Convert to fraction form
528,085/1,135,781 = 1,135,781/x - Step 3: Cross multiply
528,085x = 1,135,781 × 1,135,781 - Step 4: Simplify right side
528,085x = 1,289,998,479,961 - Step 5: Solve for x
x = 1,289,998,479,961/528,085 - Step 6: Final answer
x = 2,442,785.69
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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.