Finding the Third Proportional to 258,121.90 and 553,609.79
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Solution
The third proportional to 258,121.90 and 553,609.79 is: 1,187,360.72
Step by Step Solution
- Step 1: Write the proportion equation
258,121.90 : 553,609.79 = 553,609.79 : x - Step 2: Convert to fraction form
258,121.90/553,609.79 = 553,609.79/x - Step 3: Cross multiply
258,121.90x = 553,609.79 × 553,609.79 - Step 4: Simplify right side
258,121.90x = 306,483,802,870.90 - Step 5: Solve for x
x = 306,483,802,870.90/258,121.90 - Step 6: Final answer
x = 1,187,360.72
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.