Finding the Third Proportional to 642,246.75 and 1,398,915
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Solution
The third proportional to 642,246.75 and 1,398,915 is: 3,047,058.12
Step by Step Solution
- Step 1: Write the proportion equation
642,246.75 : 1,398,915 = 1,398,915 : x - Step 2: Convert to fraction form
642,246.75/1,398,915 = 1,398,915/x - Step 3: Cross multiply
642,246.75x = 1,398,915 × 1,398,915 - Step 4: Simplify right side
642,246.75x = 1,956,963,177,225 - Step 5: Solve for x
x = 1,956,963,177,225/642,246.75 - Step 6: Final answer
x = 3,047,058.12
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.