Finding the Third Proportional to 121,506.75 and 261,639.75
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Solution
The third proportional to 121,506.75 and 261,639.75 is: 563,387.29
Step by Step Solution
- Step 1: Write the proportion equation
121,506.75 : 261,639.75 = 261,639.75 : x - Step 2: Convert to fraction form
121,506.75/261,639.75 = 261,639.75/x - Step 3: Cross multiply
121,506.75x = 261,639.75 × 261,639.75 - Step 4: Simplify right side
121,506.75x = 68,455,358,780.06 - Step 5: Solve for x
x = 68,455,358,780.06/121,506.75 - Step 6: Final answer
x = 563,387.29
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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.