Finding the Third Proportional to 401,662,866 and 620,671,551
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Solution
The third proportional to 401,662,866 and 620,671,551 is: 959,095,815.99
Step by Step Solution
- Step 1: Write the proportion equation
401,662,866 : 620,671,551 = 620,671,551 : x - Step 2: Convert to fraction form
401,662,866/620,671,551 = 620,671,551/x - Step 3: Cross multiply
401,662,866x = 620,671,551 × 620,671,551 - Step 4: Simplify right side
401,662,866x = 385,233,174,220,745,600 - Step 5: Solve for x
x = 385,233,174,220,745,600/401,662,866 - Step 6: Final answer
x = 959,095,815.99
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.