Finding the Third Proportional to 15,358.50 and 22,119.75
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Solution
The third proportional to 15,358.50 and 22,119.75 is: 31,857.50
Step by Step Solution
- Step 1: Write the proportion equation
15,358.50 : 22,119.75 = 22,119.75 : x - Step 2: Convert to fraction form
15,358.50/22,119.75 = 22,119.75/x - Step 3: Cross multiply
15,358.50x = 22,119.75 × 22,119.75 - Step 4: Simplify right side
15,358.50x = 489,283,340.06 - Step 5: Solve for x
x = 489,283,340.06/15,358.50 - Step 6: Final answer
x = 31,857.50
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.