Finding the Third Proportional to 121,111.53 and 260,731.41
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Solution
The third proportional to 121,111.53 and 260,731.41 is: 561,307.95
Step by Step Solution
- Step 1: Write the proportion equation
121,111.53 : 260,731.41 = 260,731.41 : x - Step 2: Convert to fraction form
121,111.53/260,731.41 = 260,731.41/x - Step 3: Cross multiply
121,111.53x = 260,731.41 × 260,731.41 - Step 4: Simplify right side
121,111.53x = 67,980,866,205.10 - Step 5: Solve for x
x = 67,980,866,205.10/121,111.53 - Step 6: Final answer
x = 561,307.95
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.