Finding the Third Proportional to 865,730 and 1,331,427
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Solution
The third proportional to 865,730 and 1,331,427 is: 2,047,633.62
Step by Step Solution
- Step 1: Write the proportion equation
865,730 : 1,331,427 = 1,331,427 : x - Step 2: Convert to fraction form
865,730/1,331,427 = 1,331,427/x - Step 3: Cross multiply
865,730x = 1,331,427 × 1,331,427 - Step 4: Simplify right side
865,730x = 1,772,697,856,329 - Step 5: Solve for x
x = 1,772,697,856,329/865,730 - Step 6: Final answer
x = 2,047,633.62
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.