Finding the Third Proportional to 912,738 and 1,418,889
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Solution
The third proportional to 912,738 and 1,418,889 is: 2,205,721.68
Step by Step Solution
- Step 1: Write the proportion equation
912,738 : 1,418,889 = 1,418,889 : x - Step 2: Convert to fraction form
912,738/1,418,889 = 1,418,889/x - Step 3: Cross multiply
912,738x = 1,418,889 × 1,418,889 - Step 4: Simplify right side
912,738x = 2,013,245,994,321 - Step 5: Solve for x
x = 2,013,245,994,321/912,738 - Step 6: Final answer
x = 2,205,721.68
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.