Finding the Third Proportional to 1,430.19 and 3,133.75
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Solution
The third proportional to 1,430.19 and 3,133.75 is: 6,866.50
Step by Step Solution
- Step 1: Write the proportion equation
1,430.19 : 3,133.75 = 3,133.75 : x - Step 2: Convert to fraction form
1,430.19/3,133.75 = 3,133.75/x - Step 3: Cross multiply
1,430.19x = 3,133.75 × 3,133.75 - Step 4: Simplify right side
1,430.19x = 9,820,389.06 - Step 5: Solve for x
x = 9,820,389.06/1,430.19 - Step 6: Final answer
x = 6,866.50
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.