Finding the Third Proportional to 298,215.75 and 640,926.75
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Solution
The third proportional to 298,215.75 and 640,926.75 is: 1,377,482.91
Step by Step Solution
- Step 1: Write the proportion equation
298,215.75 : 640,926.75 = 640,926.75 : x - Step 2: Convert to fraction form
298,215.75/640,926.75 = 640,926.75/x - Step 3: Cross multiply
298,215.75x = 640,926.75 × 640,926.75 - Step 4: Simplify right side
298,215.75x = 410,787,098,865.56 - Step 5: Solve for x
x = 410,787,098,865.56/298,215.75 - Step 6: Final answer
x = 1,377,482.91
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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.