Finding the Third Proportional to 148,140 and 321,570
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Solution
The third proportional to 148,140 and 321,570 is: 698,037.43
Step by Step Solution
- Step 1: Write the proportion equation
148,140 : 321,570 = 321,570 : x - Step 2: Convert to fraction form
148,140/321,570 = 321,570/x - Step 3: Cross multiply
148,140x = 321,570 × 321,570 - Step 4: Simplify right side
148,140x = 103,407,264,900 - Step 5: Solve for x
x = 103,407,264,900/148,140 - Step 6: Final answer
x = 698,037.43
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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.