Finding the Third Proportional to 986,987 and 1,337,430
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Solution
The third proportional to 986,987 and 1,337,430 is: 1,812,302.50
Step by Step Solution
- Step 1: Write the proportion equation
986,987 : 1,337,430 = 1,337,430 : x - Step 2: Convert to fraction form
986,987/1,337,430 = 1,337,430/x - Step 3: Cross multiply
986,987x = 1,337,430 × 1,337,430 - Step 4: Simplify right side
986,987x = 1,788,719,004,900 - Step 5: Solve for x
x = 1,788,719,004,900/986,987 - Step 6: Final answer
x = 1,812,302.50
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.