Finding the Third Proportional to 310,027.50 and 438,809.06
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Solution
The third proportional to 310,027.50 and 438,809.06 is: 621,084.88
Step by Step Solution
- Step 1: Write the proportion equation
310,027.50 : 438,809.06 = 438,809.06 : x - Step 2: Convert to fraction form
310,027.50/438,809.06 = 438,809.06/x - Step 3: Cross multiply
310,027.50x = 438,809.06 × 438,809.06 - Step 4: Simplify right side
310,027.50x = 192,553,393,332.13 - Step 5: Solve for x
x = 192,553,393,332.13/310,027.50 - Step 6: Final answer
x = 621,084.88
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.