Finding the Third Proportional to 643,113 and 996,813
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Solution
The third proportional to 643,113 and 996,813 is: 1,545,041.32
Step by Step Solution
- Step 1: Write the proportion equation
643,113 : 996,813 = 996,813 : x - Step 2: Convert to fraction form
643,113/996,813 = 996,813/x - Step 3: Cross multiply
643,113x = 996,813 × 996,813 - Step 4: Simplify right side
643,113x = 993,636,156,969 - Step 5: Solve for x
x = 993,636,156,969/643,113 - Step 6: Final answer
x = 1,545,041.32
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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.