Finding the Third Proportional to 746,987 and 1,620,639
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Solution
The third proportional to 746,987 and 1,620,639 is: 3,516,086.32
Step by Step Solution
- Step 1: Write the proportion equation
746,987 : 1,620,639 = 1,620,639 : x - Step 2: Convert to fraction form
746,987/1,620,639 = 1,620,639/x - Step 3: Cross multiply
746,987x = 1,620,639 × 1,620,639 - Step 4: Simplify right side
746,987x = 2,626,470,768,321 - Step 5: Solve for x
x = 2,626,470,768,321/746,987 - Step 6: Final answer
x = 3,516,086.32
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.