Finding the Third Proportional to 81,887.63 and 130,217.63
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Solution
The third proportional to 81,887.63 and 130,217.63 is: 207,071.95
Step by Step Solution
- Step 1: Write the proportion equation
81,887.63 : 130,217.63 = 130,217.63 : x - Step 2: Convert to fraction form
81,887.63/130,217.63 = 130,217.63/x - Step 3: Cross multiply
81,887.63x = 130,217.63 × 130,217.63 - Step 4: Simplify right side
81,887.63x = 16,956,629,860.64 - Step 5: Solve for x
x = 16,956,629,860.64/81,887.63 - Step 6: Final answer
x = 207,071.95
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.