Finding the Third Proportional to 83,156.75 and 128,015.75
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Solution
The third proportional to 83,156.75 and 128,015.75 is: 197,073.99
Step by Step Solution
- Step 1: Write the proportion equation
83,156.75 : 128,015.75 = 128,015.75 : x - Step 2: Convert to fraction form
83,156.75/128,015.75 = 128,015.75/x - Step 3: Cross multiply
83,156.75x = 128,015.75 × 128,015.75 - Step 4: Simplify right side
83,156.75x = 16,388,032,248.06 - Step 5: Solve for x
x = 16,388,032,248.06/83,156.75 - Step 6: Final answer
x = 197,073.99
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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.