Finding the Third Proportional to 128,508.19 and 278,466.75
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Solution
The third proportional to 128,508.19 and 278,466.75 is: 603,414.71
Step by Step Solution
- Step 1: Write the proportion equation
128,508.19 : 278,466.75 = 278,466.75 : x - Step 2: Convert to fraction form
128,508.19/278,466.75 = 278,466.75/x - Step 3: Cross multiply
128,508.19x = 278,466.75 × 278,466.75 - Step 4: Simplify right side
128,508.19x = 77,543,730,855.56 - Step 5: Solve for x
x = 77,543,730,855.56/128,508.19 - Step 6: Final answer
x = 603,414.71
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.