Finding the Third Proportional to 68,820.75 and 106,368.75
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Solution
The third proportional to 68,820.75 and 106,368.75 is: 164,402.61
Step by Step Solution
- Step 1: Write the proportion equation
68,820.75 : 106,368.75 = 106,368.75 : x - Step 2: Convert to fraction form
68,820.75/106,368.75 = 106,368.75/x - Step 3: Cross multiply
68,820.75x = 106,368.75 × 106,368.75 - Step 4: Simplify right side
68,820.75x = 11,314,310,976.56 - Step 5: Solve for x
x = 11,314,310,976.56/68,820.75 - Step 6: Final answer
x = 164,402.61
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.