Finding the Third Proportional to 42,621.19 and 66,862.97
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Solution
The third proportional to 42,621.19 and 66,862.97 is: 104,892.82
Step by Step Solution
- Step 1: Write the proportion equation
42,621.19 : 66,862.97 = 66,862.97 : x - Step 2: Convert to fraction form
42,621.19/66,862.97 = 66,862.97/x - Step 3: Cross multiply
42,621.19x = 66,862.97 × 66,862.97 - Step 4: Simplify right side
42,621.19x = 4,470,656,590.06 - Step 5: Solve for x
x = 4,470,656,590.06/42,621.19 - Step 6: Final answer
x = 104,892.82
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.