Finding the Third Proportional to 121,085,958 and 258,316,353
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Solution
The third proportional to 121,085,958 and 258,316,353 is: 551,074,123.95
Step by Step Solution
- Step 1: Write the proportion equation
121,085,958 : 258,316,353 = 258,316,353 : x - Step 2: Convert to fraction form
121,085,958/258,316,353 = 258,316,353/x - Step 3: Cross multiply
121,085,958x = 258,316,353 × 258,316,353 - Step 4: Simplify right side
121,085,958x = 66,727,338,227,220,608 - Step 5: Solve for x
x = 66,727,338,227,220,608/121,085,958 - Step 6: Final answer
x = 551,074,123.95
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.