Finding the Third Proportional to 878,372 and 1,917,376
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Solution
The third proportional to 878,372 and 1,917,376 is: 4,185,391.53
Step by Step Solution
- Step 1: Write the proportion equation
878,372 : 1,917,376 = 1,917,376 : x - Step 2: Convert to fraction form
878,372/1,917,376 = 1,917,376/x - Step 3: Cross multiply
878,372x = 1,917,376 × 1,917,376 - Step 4: Simplify right side
878,372x = 3,676,330,725,376 - Step 5: Solve for x
x = 3,676,330,725,376/878,372 - Step 6: Final answer
x = 4,185,391.53
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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.