Finding the Third Proportional to 589 and 987.50
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Solution
The third proportional to 589 and 987.50 is: 1,655.61
Step by Step Solution
- Step 1: Write the proportion equation
589 : 987.50 = 987.50 : x - Step 2: Convert to fraction form
589/987.50 = 987.50/x - Step 3: Cross multiply
589x = 987.50 × 987.50 - Step 4: Simplify right side
589x = 975,156.25 - Step 5: Solve for x
x = 975,156.25/589 - Step 6: Final answer
x = 1,655.61
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These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.