Finding the Third Proportional to 121,515.19 and 250,801.31
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Solution
The third proportional to 121,515.19 and 250,801.31 is: 517,641.45
Step by Step Solution
- Step 1: Write the proportion equation
121,515.19 : 250,801.31 = 250,801.31 : x - Step 2: Convert to fraction form
121,515.19/250,801.31 = 250,801.31/x - Step 3: Cross multiply
121,515.19x = 250,801.31 × 250,801.31 - Step 4: Simplify right side
121,515.19x = 62,901,298,351.72 - Step 5: Solve for x
x = 62,901,298,351.72/121,515.19 - Step 6: Final answer
x = 517,641.45
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.