Finding the Third Proportional to 640,860 and 1,383,046
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Solution
The third proportional to 640,860 and 1,383,046 is: 2,984,764.59
Step by Step Solution
- Step 1: Write the proportion equation
640,860 : 1,383,046 = 1,383,046 : x - Step 2: Convert to fraction form
640,860/1,383,046 = 1,383,046/x - Step 3: Cross multiply
640,860x = 1,383,046 × 1,383,046 - Step 4: Simplify right side
640,860x = 1,912,816,238,116 - Step 5: Solve for x
x = 1,912,816,238,116/640,860 - Step 6: Final answer
x = 2,984,764.59
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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.