Finding the Third Proportional to 868,486 and 1,913,668
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Solution
The third proportional to 868,486 and 1,913,668 is: 4,216,677.31
Step by Step Solution
- Step 1: Write the proportion equation
868,486 : 1,913,668 = 1,913,668 : x - Step 2: Convert to fraction form
868,486/1,913,668 = 1,913,668/x - Step 3: Cross multiply
868,486x = 1,913,668 × 1,913,668 - Step 4: Simplify right side
868,486x = 3,662,125,214,224 - Step 5: Solve for x
x = 3,662,125,214,224/868,486 - Step 6: Final answer
x = 4,216,677.31
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.