Finding the Third Proportional to 315,316.13 and 484,638.19
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Solution
The third proportional to 315,316.13 and 484,638.19 is: 744,884.75
Step by Step Solution
- Step 1: Write the proportion equation
315,316.13 : 484,638.19 = 484,638.19 : x - Step 2: Convert to fraction form
315,316.13/484,638.19 = 484,638.19/x - Step 3: Cross multiply
315,316.13x = 484,638.19 × 484,638.19 - Step 4: Simplify right side
315,316.13x = 234,874,172,783.29 - Step 5: Solve for x
x = 234,874,172,783.29/315,316.13 - Step 6: Final answer
x = 744,884.75
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.