Finding the Third Proportional to 78,468.75 and 169,971.75
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Solution
The third proportional to 78,468.75 and 169,971.75 is: 368,177.09
Step by Step Solution
- Step 1: Write the proportion equation
78,468.75 : 169,971.75 = 169,971.75 : x - Step 2: Convert to fraction form
78,468.75/169,971.75 = 169,971.75/x - Step 3: Cross multiply
78,468.75x = 169,971.75 × 169,971.75 - Step 4: Simplify right side
78,468.75x = 28,890,395,798.06 - Step 5: Solve for x
x = 28,890,395,798.06/78,468.75 - Step 6: Final answer
x = 368,177.09
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.