Finding the Third Proportional to 1,307.81 and 2,819.81
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Solution
The third proportional to 1,307.81 and 2,819.81 is: 6,079.88
Step by Step Solution
- Step 1: Write the proportion equation
1,307.81 : 2,819.81 = 2,819.81 : x - Step 2: Convert to fraction form
1,307.81/2,819.81 = 2,819.81/x - Step 3: Cross multiply
1,307.81x = 2,819.81 × 2,819.81 - Step 4: Simplify right side
1,307.81x = 7,951,342.54 - Step 5: Solve for x
x = 7,951,342.54/1,307.81 - Step 6: Final answer
x = 6,079.88
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.