Finding the Third Proportional to 143,386.25 and 221,913.75
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Solution
The third proportional to 143,386.25 and 221,913.75 is: 343,447.94
Step by Step Solution
- Step 1: Write the proportion equation
143,386.25 : 221,913.75 = 221,913.75 : x - Step 2: Convert to fraction form
143,386.25/221,913.75 = 221,913.75/x - Step 3: Cross multiply
143,386.25x = 221,913.75 × 221,913.75 - Step 4: Simplify right side
143,386.25x = 49,245,712,439.06 - Step 5: Solve for x
x = 49,245,712,439.06/143,386.25 - Step 6: Final answer
x = 343,447.94
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.