Finding the Third Proportional to 77,564.50 and 124,445.50
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Solution
The third proportional to 77,564.50 and 124,445.50 is: 199,661.99
Step by Step Solution
- Step 1: Write the proportion equation
77,564.50 : 124,445.50 = 124,445.50 : x - Step 2: Convert to fraction form
77,564.50/124,445.50 = 124,445.50/x - Step 3: Cross multiply
77,564.50x = 124,445.50 × 124,445.50 - Step 4: Simplify right side
77,564.50x = 15,486,682,470.25 - Step 5: Solve for x
x = 15,486,682,470.25/77,564.50 - Step 6: Final answer
x = 199,661.99
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.