Finding the Third Proportional to 336,772.69 and 689,277.09
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Solution
The third proportional to 336,772.69 and 689,277.09 is: 1,410,752.50
Step by Step Solution
- Step 1: Write the proportion equation
336,772.69 : 689,277.09 = 689,277.09 : x - Step 2: Convert to fraction form
336,772.69/689,277.09 = 689,277.09/x - Step 3: Cross multiply
336,772.69x = 689,277.09 × 689,277.09 - Step 4: Simplify right side
336,772.69x = 475,102,911,968.45 - Step 5: Solve for x
x = 475,102,911,968.45/336,772.69 - Step 6: Final answer
x = 1,410,752.50
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.