Finding the Third Proportional to 861,784 and 1,207,609
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Solution
The third proportional to 861,784 and 1,207,609 is: 1,692,209.99
Step by Step Solution
- Step 1: Write the proportion equation
861,784 : 1,207,609 = 1,207,609 : x - Step 2: Convert to fraction form
861,784/1,207,609 = 1,207,609/x - Step 3: Cross multiply
861,784x = 1,207,609 × 1,207,609 - Step 4: Simplify right side
861,784x = 1,458,319,496,881 - Step 5: Solve for x
x = 1,458,319,496,881/861,784 - Step 6: Final answer
x = 1,692,209.99
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.