Finding the Third Proportional to 197,772.75 and 306,490.50
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Solution
The third proportional to 197,772.75 and 306,490.50 is: 474,971.53
Step by Step Solution
- Step 1: Write the proportion equation
197,772.75 : 306,490.50 = 306,490.50 : x - Step 2: Convert to fraction form
197,772.75/306,490.50 = 306,490.50/x - Step 3: Cross multiply
197,772.75x = 306,490.50 × 306,490.50 - Step 4: Simplify right side
197,772.75x = 93,936,426,590.25 - Step 5: Solve for x
x = 93,936,426,590.25/197,772.75 - Step 6: Final answer
x = 474,971.53
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.