Finding the Third Proportional to 290,387.95 and 622,812.80
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Solution
The third proportional to 290,387.95 and 622,812.80 is: 1,335,784.68
Step by Step Solution
- Step 1: Write the proportion equation
290,387.95 : 622,812.80 = 622,812.80 : x - Step 2: Convert to fraction form
290,387.95/622,812.80 = 622,812.80/x - Step 3: Cross multiply
290,387.95x = 622,812.80 × 622,812.80 - Step 4: Simplify right side
290,387.95x = 387,895,779,951.26 - Step 5: Solve for x
x = 387,895,779,951.26/290,387.95 - Step 6: Final answer
x = 1,335,784.68
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.