Finding the Third Proportional to 249,059.75 and 389,141.75
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Solution
The third proportional to 249,059.75 and 389,141.75 is: 608,011.94
Step by Step Solution
- Step 1: Write the proportion equation
249,059.75 : 389,141.75 = 389,141.75 : x - Step 2: Convert to fraction form
249,059.75/389,141.75 = 389,141.75/x - Step 3: Cross multiply
249,059.75x = 389,141.75 × 389,141.75 - Step 4: Simplify right side
249,059.75x = 151,431,301,593.06 - Step 5: Solve for x
x = 151,431,301,593.06/249,059.75 - Step 6: Final answer
x = 608,011.94
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.