Finding the Third Proportional to 448,470.75 and 689,313.75
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Solution
The third proportional to 448,470.75 and 689,313.75 is: 1,059,497.07
Step by Step Solution
- Step 1: Write the proportion equation
448,470.75 : 689,313.75 = 689,313.75 : x - Step 2: Convert to fraction form
448,470.75/689,313.75 = 689,313.75/x - Step 3: Cross multiply
448,470.75x = 689,313.75 × 689,313.75 - Step 4: Simplify right side
448,470.75x = 475,153,445,939.06 - Step 5: Solve for x
x = 475,153,445,939.06/448,470.75 - Step 6: Final answer
x = 1,059,497.07
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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.