Finding the Third Proportional to 645,790 and 886,496
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Solution
The third proportional to 645,790 and 886,496 is: 1,216,920.61
Step by Step Solution
- Step 1: Write the proportion equation
645,790 : 886,496 = 886,496 : x - Step 2: Convert to fraction form
645,790/886,496 = 886,496/x - Step 3: Cross multiply
645,790x = 886,496 × 886,496 - Step 4: Simplify right side
645,790x = 785,875,158,016 - Step 5: Solve for x
x = 785,875,158,016/645,790 - Step 6: Final answer
x = 1,216,920.61
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.