Finding the Third Proportional to 221,089.50 and 519,711.75
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Solution
The third proportional to 221,089.50 and 519,711.75 is: 1,221,678.56
Step by Step Solution
- Step 1: Write the proportion equation
221,089.50 : 519,711.75 = 519,711.75 : x - Step 2: Convert to fraction form
221,089.50/519,711.75 = 519,711.75/x - Step 3: Cross multiply
221,089.50x = 519,711.75 × 519,711.75 - Step 4: Simplify right side
221,089.50x = 270,100,303,088.06 - Step 5: Solve for x
x = 270,100,303,088.06/221,089.50 - Step 6: Final answer
x = 1,221,678.56
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Why These Related Problems?
These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.