Finding the Third Proportional to 71,776,457 and 157,448,991
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Solution
The third proportional to 71,776,457 and 157,448,991 is: 345,380,446.50
Step by Step Solution
- Step 1: Write the proportion equation
71,776,457 : 157,448,991 = 157,448,991 : x - Step 2: Convert to fraction form
71,776,457/157,448,991 = 157,448,991/x - Step 3: Cross multiply
71,776,457x = 157,448,991 × 157,448,991 - Step 4: Simplify right side
71,776,457x = 24,790,184,766,918,080 - Step 5: Solve for x
x = 24,790,184,766,918,080/71,776,457 - Step 6: Final answer
x = 345,380,446.50
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.