Finding the Third Proportional to 128,156.50 and 197,254.50
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Solution
The third proportional to 128,156.50 and 197,254.50 is: 303,607.99
Step by Step Solution
- Step 1: Write the proportion equation
128,156.50 : 197,254.50 = 197,254.50 : x - Step 2: Convert to fraction form
128,156.50/197,254.50 = 197,254.50/x - Step 3: Cross multiply
128,156.50x = 197,254.50 × 197,254.50 - Step 4: Simplify right side
128,156.50x = 38,909,337,770.25 - Step 5: Solve for x
x = 38,909,337,770.25/128,156.50 - Step 6: Final answer
x = 303,607.99
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.