Finding the Third Proportional to 59,148.75 and 128,280.75
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Solution
The third proportional to 59,148.75 and 128,280.75 is: 278,212.99
Step by Step Solution
- Step 1: Write the proportion equation
59,148.75 : 128,280.75 = 128,280.75 : x - Step 2: Convert to fraction form
59,148.75/128,280.75 = 128,280.75/x - Step 3: Cross multiply
59,148.75x = 128,280.75 × 128,280.75 - Step 4: Simplify right side
59,148.75x = 16,455,950,820.56 - Step 5: Solve for x
x = 16,455,950,820.56/59,148.75 - Step 6: Final answer
x = 278,212.99
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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.