Finding the Third Proportional to 62,421.75 and 136,521.75
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Solution
The third proportional to 62,421.75 and 136,521.75 is: 298,584.84
Step by Step Solution
- Step 1: Write the proportion equation
62,421.75 : 136,521.75 = 136,521.75 : x - Step 2: Convert to fraction form
62,421.75/136,521.75 = 136,521.75/x - Step 3: Cross multiply
62,421.75x = 136,521.75 × 136,521.75 - Step 4: Simplify right side
62,421.75x = 18,638,188,223.06 - Step 5: Solve for x
x = 18,638,188,223.06/62,421.75 - Step 6: Final answer
x = 298,584.84
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.