Finding the Third Proportional to 69,210.75 and 136,371.75
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Solution
The third proportional to 69,210.75 and 136,371.75 is: 268,704.71
Step by Step Solution
- Step 1: Write the proportion equation
69,210.75 : 136,371.75 = 136,371.75 : x - Step 2: Convert to fraction form
69,210.75/136,371.75 = 136,371.75/x - Step 3: Cross multiply
69,210.75x = 136,371.75 × 136,371.75 - Step 4: Simplify right side
69,210.75x = 18,597,254,198.06 - Step 5: Solve for x
x = 18,597,254,198.06/69,210.75 - Step 6: Final answer
x = 268,704.71
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These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.