Finding the Third Proportional to 892.50 and 1,470
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Solution
The third proportional to 892.50 and 1,470 is: 2,421.18
Step by Step Solution
- Step 1: Write the proportion equation
892.50 : 1,470 = 1,470 : x - Step 2: Convert to fraction form
892.50/1,470 = 1,470/x - Step 3: Cross multiply
892.50x = 1,470 × 1,470 - Step 4: Simplify right side
892.50x = 2,160,900 - Step 5: Solve for x
x = 2,160,900/892.50 - Step 6: Final answer
x = 2,421.18
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These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.