Finding the Third Proportional to 74,602,971 and 160,543,359
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Solution
The third proportional to 74,602,971 and 160,543,359 is: 345,484,499.79
Step by Step Solution
- Step 1: Write the proportion equation
74,602,971 : 160,543,359 = 160,543,359 : x - Step 2: Convert to fraction form
74,602,971/160,543,359 = 160,543,359/x - Step 3: Cross multiply
74,602,971x = 160,543,359 × 160,543,359 - Step 4: Simplify right side
74,602,971x = 25,774,170,119,002,880 - Step 5: Solve for x
x = 25,774,170,119,002,880/74,602,971 - Step 6: Final answer
x = 345,484,499.79
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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.