Finding the Third Proportional to 148,656 and 320,640
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Solution
The third proportional to 148,656 and 320,640 is: 691,596.77
Step by Step Solution
- Step 1: Write the proportion equation
148,656 : 320,640 = 320,640 : x - Step 2: Convert to fraction form
148,656/320,640 = 320,640/x - Step 3: Cross multiply
148,656x = 320,640 × 320,640 - Step 4: Simplify right side
148,656x = 102,810,009,600 - Step 5: Solve for x
x = 102,810,009,600/148,656 - Step 6: Final answer
x = 691,596.77
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.