Finding the Third Proportional to 157,218.75 and 249,118.88
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Solution
The third proportional to 157,218.75 and 249,118.88 is: 394,737.99
Step by Step Solution
- Step 1: Write the proportion equation
157,218.75 : 249,118.88 = 249,118.88 : x - Step 2: Convert to fraction form
157,218.75/249,118.88 = 249,118.88/x - Step 3: Cross multiply
157,218.75x = 249,118.88 × 249,118.88 - Step 4: Simplify right side
157,218.75x = 62,060,213,881.27 - Step 5: Solve for x
x = 62,060,213,881.27/157,218.75 - Step 6: Final answer
x = 394,737.99
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.