Finding the Third Proportional to 970,865 and 2,128,354
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Solution
The third proportional to 970,865 and 2,128,354 is: 4,665,829.70
Step by Step Solution
- Step 1: Write the proportion equation
970,865 : 2,128,354 = 2,128,354 : x - Step 2: Convert to fraction form
970,865/2,128,354 = 2,128,354/x - Step 3: Cross multiply
970,865x = 2,128,354 × 2,128,354 - Step 4: Simplify right side
970,865x = 4,529,890,749,316 - Step 5: Solve for x
x = 4,529,890,749,316/970,865 - Step 6: Final answer
x = 4,665,829.70
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.