Finding the Third Proportional to 55,430.25 and 121,590.75
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Solution
The third proportional to 55,430.25 and 121,590.75 is: 266,719.17
Step by Step Solution
- Step 1: Write the proportion equation
55,430.25 : 121,590.75 = 121,590.75 : x - Step 2: Convert to fraction form
55,430.25/121,590.75 = 121,590.75/x - Step 3: Cross multiply
55,430.25x = 121,590.75 × 121,590.75 - Step 4: Simplify right side
55,430.25x = 14,784,310,485.56 - Step 5: Solve for x
x = 14,784,310,485.56/55,430.25 - Step 6: Final answer
x = 266,719.17
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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.