Finding the Third Proportional to 42,207.75 and 61,683.75
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Solution
The third proportional to 42,207.75 and 61,683.75 is: 90,146.60
Step by Step Solution
- Step 1: Write the proportion equation
42,207.75 : 61,683.75 = 61,683.75 : x - Step 2: Convert to fraction form
42,207.75/61,683.75 = 61,683.75/x - Step 3: Cross multiply
42,207.75x = 61,683.75 × 61,683.75 - Step 4: Simplify right side
42,207.75x = 3,804,885,014.06 - Step 5: Solve for x
x = 3,804,885,014.06/42,207.75 - Step 6: Final answer
x = 90,146.60
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.