Finding the Third Proportional to 155,929.50 and 203,907.75
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Solution
The third proportional to 155,929.50 and 203,907.75 is: 266,648.52
Step by Step Solution
- Step 1: Write the proportion equation
155,929.50 : 203,907.75 = 203,907.75 : x - Step 2: Convert to fraction form
155,929.50/203,907.75 = 203,907.75/x - Step 3: Cross multiply
155,929.50x = 203,907.75 × 203,907.75 - Step 4: Simplify right side
155,929.50x = 41,578,370,510.06 - Step 5: Solve for x
x = 41,578,370,510.06/155,929.50 - Step 6: Final answer
x = 266,648.52
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These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.