Finding the Third Proportional to 644,630 and 1,396,396
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Solution
The third proportional to 644,630 and 1,396,396 is: 3,024,869.75
Step by Step Solution
- Step 1: Write the proportion equation
644,630 : 1,396,396 = 1,396,396 : x - Step 2: Convert to fraction form
644,630/1,396,396 = 1,396,396/x - Step 3: Cross multiply
644,630x = 1,396,396 × 1,396,396 - Step 4: Simplify right side
644,630x = 1,949,921,788,816 - Step 5: Solve for x
x = 1,949,921,788,816/644,630 - Step 6: Final answer
x = 3,024,869.75
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.