Finding the Third Proportional to 7,862,510 and 11,532,405
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Solution
The third proportional to 7,862,510 and 11,532,405 is: 16,915,255.44
Step by Step Solution
- Step 1: Write the proportion equation
7,862,510 : 11,532,405 = 11,532,405 : x - Step 2: Convert to fraction form
7,862,510/11,532,405 = 11,532,405/x - Step 3: Cross multiply
7,862,510x = 11,532,405 × 11,532,405 - Step 4: Simplify right side
7,862,510x = 132,996,365,084,025 - Step 5: Solve for x
x = 132,996,365,084,025/7,862,510 - Step 6: Final answer
x = 16,915,255.44
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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.