Finding the Third Proportional to 71,295.75 and 99,681.75
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Solution
The third proportional to 71,295.75 and 99,681.75 is: 139,369.48
Step by Step Solution
- Step 1: Write the proportion equation
71,295.75 : 99,681.75 = 99,681.75 : x - Step 2: Convert to fraction form
71,295.75/99,681.75 = 99,681.75/x - Step 3: Cross multiply
71,295.75x = 99,681.75 × 99,681.75 - Step 4: Simplify right side
71,295.75x = 9,936,451,283.06 - Step 5: Solve for x
x = 9,936,451,283.06/71,295.75 - Step 6: Final answer
x = 139,369.48
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.