Finding the Third Proportional to 277,780.50 and 393,315.75
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Solution
The third proportional to 277,780.50 and 393,315.75 is: 556,904.75
Step by Step Solution
- Step 1: Write the proportion equation
277,780.50 : 393,315.75 = 393,315.75 : x - Step 2: Convert to fraction form
277,780.50/393,315.75 = 393,315.75/x - Step 3: Cross multiply
277,780.50x = 393,315.75 × 393,315.75 - Step 4: Simplify right side
277,780.50x = 154,697,279,198.06 - Step 5: Solve for x
x = 154,697,279,198.06/277,780.50 - Step 6: Final answer
x = 556,904.75
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.