Finding the Third Proportional to 509,338.50 and 689,271.75
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Solution
The third proportional to 509,338.50 and 689,271.75 is: 932,769.75
Step by Step Solution
- Step 1: Write the proportion equation
509,338.50 : 689,271.75 = 689,271.75 : x - Step 2: Convert to fraction form
509,338.50/689,271.75 = 689,271.75/x - Step 3: Cross multiply
509,338.50x = 689,271.75 × 689,271.75 - Step 4: Simplify right side
509,338.50x = 475,095,545,348.06 - Step 5: Solve for x
x = 475,095,545,348.06/509,338.50 - Step 6: Final answer
x = 932,769.75
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.