Finding the Third Proportional to 62,430.75 and 136,518.75
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Solution
The third proportional to 62,430.75 and 136,518.75 is: 298,528.68
Step by Step Solution
- Step 1: Write the proportion equation
62,430.75 : 136,518.75 = 136,518.75 : x - Step 2: Convert to fraction form
62,430.75/136,518.75 = 136,518.75/x - Step 3: Cross multiply
62,430.75x = 136,518.75 × 136,518.75 - Step 4: Simplify right side
62,430.75x = 18,637,369,101.56 - Step 5: Solve for x
x = 18,637,369,101.56/62,430.75 - Step 6: Final answer
x = 298,528.68
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.