Finding the Third Proportional to 138,376.13 and 297,987.75
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Solution
The third proportional to 138,376.13 and 297,987.75 is: 641,705.35
Step by Step Solution
- Step 1: Write the proportion equation
138,376.13 : 297,987.75 = 297,987.75 : x - Step 2: Convert to fraction form
138,376.13/297,987.75 = 297,987.75/x - Step 3: Cross multiply
138,376.13x = 297,987.75 × 297,987.75 - Step 4: Simplify right side
138,376.13x = 88,796,699,150.06 - Step 5: Solve for x
x = 88,796,699,150.06/138,376.13 - Step 6: Final answer
x = 641,705.35
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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.