Finding the Third Proportional to 63,665,921 and 136,407,865
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Solution
The third proportional to 63,665,921 and 136,407,865 is: 292,261,626.65
Step by Step Solution
- Step 1: Write the proportion equation
63,665,921 : 136,407,865 = 136,407,865 : x - Step 2: Convert to fraction form
63,665,921/136,407,865 = 136,407,865/x - Step 3: Cross multiply
63,665,921x = 136,407,865 × 136,407,865 - Step 4: Simplify right side
63,665,921x = 18,607,105,633,858,224 - Step 5: Solve for x
x = 18,607,105,633,858,224/63,665,921 - Step 6: Final answer
x = 292,261,626.65
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.