Finding the Third Proportional to 769,661,921 and 1,680,454,233
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Solution
The third proportional to 769,661,921 and 1,680,454,233 is: 3,669,047,866.55
Step by Step Solution
- Step 1: Write the proportion equation
769,661,921 : 1,680,454,233 = 1,680,454,233 : x - Step 2: Convert to fraction form
769,661,921/1,680,454,233 = 1,680,454,233/x - Step 3: Cross multiply
769,661,921x = 1,680,454,233 × 1,680,454,233 - Step 4: Simplify right side
769,661,921x = 2,823,926,429,207,618,048 - Step 5: Solve for x
x = 2,823,926,429,207,618,048/769,661,921 - Step 6: Final answer
x = 3,669,047,866.55
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.