Finding the Third Proportional to 309,968.25 and 657,135.75
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Solution
The third proportional to 309,968.25 and 657,135.75 is: 1,393,134.28
Step by Step Solution
- Step 1: Write the proportion equation
309,968.25 : 657,135.75 = 657,135.75 : x - Step 2: Convert to fraction form
309,968.25/657,135.75 = 657,135.75/x - Step 3: Cross multiply
309,968.25x = 657,135.75 × 657,135.75 - Step 4: Simplify right side
309,968.25x = 431,827,393,928.06 - Step 5: Solve for x
x = 431,827,393,928.06/309,968.25 - Step 6: Final answer
x = 1,393,134.28
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.