Finding the Third Proportional to 7,943,220 and 12,274,268
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Solution
The third proportional to 7,943,220 and 12,274,268 is: 18,966,823.90
Step by Step Solution
- Step 1: Write the proportion equation
7,943,220 : 12,274,268 = 12,274,268 : x - Step 2: Convert to fraction form
7,943,220/12,274,268 = 12,274,268/x - Step 3: Cross multiply
7,943,220x = 12,274,268 × 12,274,268 - Step 4: Simplify right side
7,943,220x = 150,657,654,935,824 - Step 5: Solve for x
x = 150,657,654,935,824/7,943,220 - Step 6: Final answer
x = 18,966,823.90
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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.