Finding the Third Proportional to 312,270.75 and 671,905.13
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Solution
The third proportional to 312,270.75 and 671,905.13 is: 1,445,721.37
Step by Step Solution
- Step 1: Write the proportion equation
312,270.75 : 671,905.13 = 671,905.13 : x - Step 2: Convert to fraction form
312,270.75/671,905.13 = 671,905.13/x - Step 3: Cross multiply
312,270.75x = 671,905.13 × 671,905.13 - Step 4: Simplify right side
312,270.75x = 451,456,497,001.27 - Step 5: Solve for x
x = 451,456,497,001.27/312,270.75 - Step 6: Final answer
x = 1,445,721.37
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.