Finding the Third Proportional to 163,815.75 and 357,936.75
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Solution
The third proportional to 163,815.75 and 357,936.75 is: 782,090.35
Step by Step Solution
- Step 1: Write the proportion equation
163,815.75 : 357,936.75 = 357,936.75 : x - Step 2: Convert to fraction form
163,815.75/357,936.75 = 357,936.75/x - Step 3: Cross multiply
163,815.75x = 357,936.75 × 357,936.75 - Step 4: Simplify right side
163,815.75x = 128,118,717,000.56 - Step 5: Solve for x
x = 128,118,717,000.56/163,815.75 - Step 6: Final answer
x = 782,090.35
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.