Finding the Third Proportional to 421,308 and 901,665
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Solution
The third proportional to 421,308 and 901,665 is: 1,929,704.09
Step by Step Solution
- Step 1: Write the proportion equation
421,308 : 901,665 = 901,665 : x - Step 2: Convert to fraction form
421,308/901,665 = 901,665/x - Step 3: Cross multiply
421,308x = 901,665 × 901,665 - Step 4: Simplify right side
421,308x = 812,999,772,225 - Step 5: Solve for x
x = 812,999,772,225/421,308 - Step 6: Final answer
x = 1,929,704.09
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.