Finding the Third Proportional to 389,229.05 and 842,427.84
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Solution
The third proportional to 389,229.05 and 842,427.84 is: 1,823,308.61
Step by Step Solution
- Step 1: Write the proportion equation
389,229.05 : 842,427.84 = 842,427.84 : x - Step 2: Convert to fraction form
389,229.05/842,427.84 = 842,427.84/x - Step 3: Cross multiply
389,229.05x = 842,427.84 × 842,427.84 - Step 4: Simplify right side
389,229.05x = 709,684,671,925.27 - Step 5: Solve for x
x = 709,684,671,925.27/389,229.05 - Step 6: Final answer
x = 1,823,308.61
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.