Finding the Third Proportional to 299,134.75 and 640,316.75
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Solution
The third proportional to 299,134.75 and 640,316.75 is: 1,370,638.28
Step by Step Solution
- Step 1: Write the proportion equation
299,134.75 : 640,316.75 = 640,316.75 : x - Step 2: Convert to fraction form
299,134.75/640,316.75 = 640,316.75/x - Step 3: Cross multiply
299,134.75x = 640,316.75 × 640,316.75 - Step 4: Simplify right side
299,134.75x = 410,005,540,330.56 - Step 5: Solve for x
x = 410,005,540,330.56/299,134.75 - Step 6: Final answer
x = 1,370,638.28
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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.