Finding the Third Proportional to 138,901.50 and 207,437.63
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Solution
The third proportional to 138,901.50 and 207,437.63 is: 309,790.52
Step by Step Solution
- Step 1: Write the proportion equation
138,901.50 : 207,437.63 = 207,437.63 : x - Step 2: Convert to fraction form
138,901.50/207,437.63 = 207,437.63/x - Step 3: Cross multiply
138,901.50x = 207,437.63 × 207,437.63 - Step 4: Simplify right side
138,901.50x = 43,030,368,265.64 - Step 5: Solve for x
x = 43,030,368,265.64/138,901.50 - Step 6: Final answer
x = 309,790.52
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.