Finding the Third Proportional to 66,939 and 97,720.50
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Solution
The third proportional to 66,939 and 97,720.50 is: 142,656.69
Step by Step Solution
- Step 1: Write the proportion equation
66,939 : 97,720.50 = 97,720.50 : x - Step 2: Convert to fraction form
66,939/97,720.50 = 97,720.50/x - Step 3: Cross multiply
66,939x = 97,720.50 × 97,720.50 - Step 4: Simplify right side
66,939x = 9,549,296,120.25 - Step 5: Solve for x
x = 9,549,296,120.25/66,939 - Step 6: Final answer
x = 142,656.69
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.