Finding the Third Proportional to 155,487.94 and 326,642.63
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Solution
The third proportional to 155,487.94 and 326,642.63 is: 686,197.31
Step by Step Solution
- Step 1: Write the proportion equation
155,487.94 : 326,642.63 = 326,642.63 : x - Step 2: Convert to fraction form
155,487.94/326,642.63 = 326,642.63/x - Step 3: Cross multiply
155,487.94x = 326,642.63 × 326,642.63 - Step 4: Simplify right side
155,487.94x = 106,695,404,466.89 - Step 5: Solve for x
x = 106,695,404,466.89/155,487.94 - Step 6: Final answer
x = 686,197.31
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.