Finding the Third Proportional to 249,989.63 and 349,953.75
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Solution
The third proportional to 249,989.63 and 349,953.75 is: 489,890.84
Step by Step Solution
- Step 1: Write the proportion equation
249,989.63 : 349,953.75 = 349,953.75 : x - Step 2: Convert to fraction form
249,989.63/349,953.75 = 349,953.75/x - Step 3: Cross multiply
249,989.63x = 349,953.75 × 349,953.75 - Step 4: Simplify right side
249,989.63x = 122,467,627,139.06 - Step 5: Solve for x
x = 122,467,627,139.06/249,989.63 - Step 6: Final answer
x = 489,890.84
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.