Finding the Third Proportional to 55,487.53 and 121,386.09
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Solution
The third proportional to 55,487.53 and 121,386.09 is: 265,547.65
Step by Step Solution
- Step 1: Write the proportion equation
55,487.53 : 121,386.09 = 121,386.09 : x - Step 2: Convert to fraction form
55,487.53/121,386.09 = 121,386.09/x - Step 3: Cross multiply
55,487.53x = 121,386.09 × 121,386.09 - Step 4: Simplify right side
55,487.53x = 14,734,583,755.88 - Step 5: Solve for x
x = 14,734,583,755.88/55,487.53 - Step 6: Final answer
x = 265,547.65
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.