Finding the Third Proportional to 385,615.13 and 830,427.75
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Solution
The third proportional to 385,615.13 and 830,427.75 is: 1,788,338.17
Step by Step Solution
- Step 1: Write the proportion equation
385,615.13 : 830,427.75 = 830,427.75 : x - Step 2: Convert to fraction form
385,615.13/830,427.75 = 830,427.75/x - Step 3: Cross multiply
385,615.13x = 830,427.75 × 830,427.75 - Step 4: Simplify right side
385,615.13x = 689,610,247,970.06 - Step 5: Solve for x
x = 689,610,247,970.06/385,615.13 - Step 6: Final answer
x = 1,788,338.17
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.