Finding the Third Proportional to 61,356.75 and 128,271.75
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Solution
The third proportional to 61,356.75 and 128,271.75 is: 268,163.52
Step by Step Solution
- Step 1: Write the proportion equation
61,356.75 : 128,271.75 = 128,271.75 : x - Step 2: Convert to fraction form
61,356.75/128,271.75 = 128,271.75/x - Step 3: Cross multiply
61,356.75x = 128,271.75 × 128,271.75 - Step 4: Simplify right side
61,356.75x = 16,453,641,848.06 - Step 5: Solve for x
x = 16,453,641,848.06/61,356.75 - Step 6: Final answer
x = 268,163.52
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.