Finding the Third Proportional to 1,288.13 and 2,637.84
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Solution
The third proportional to 1,288.13 and 2,637.84 is: 5,401.82
Step by Step Solution
- Step 1: Write the proportion equation
1,288.13 : 2,637.84 = 2,637.84 : x - Step 2: Convert to fraction form
1,288.13/2,637.84 = 2,637.84/x - Step 3: Cross multiply
1,288.13x = 2,637.84 × 2,637.84 - Step 4: Simplify right side
1,288.13x = 6,958,219.65 - Step 5: Solve for x
x = 6,958,219.65/1,288.13 - Step 6: Final answer
x = 5,401.82
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.