Finding the Third Proportional to 135,988.88 and 290,688.75
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Solution
The third proportional to 135,988.88 and 290,688.75 is: 621,373.99
Step by Step Solution
- Step 1: Write the proportion equation
135,988.88 : 290,688.75 = 290,688.75 : x - Step 2: Convert to fraction form
135,988.88/290,688.75 = 290,688.75/x - Step 3: Cross multiply
135,988.88x = 290,688.75 × 290,688.75 - Step 4: Simplify right side
135,988.88x = 84,499,949,376.56 - Step 5: Solve for x
x = 84,499,949,376.56/135,988.88 - Step 6: Final answer
x = 621,373.99
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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.