Finding the Third Proportional to 54,237.75 and 83,421.75
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Solution
The third proportional to 54,237.75 and 83,421.75 is: 128,308.94
Step by Step Solution
- Step 1: Write the proportion equation
54,237.75 : 83,421.75 = 83,421.75 : x - Step 2: Convert to fraction form
54,237.75/83,421.75 = 83,421.75/x - Step 3: Cross multiply
54,237.75x = 83,421.75 × 83,421.75 - Step 4: Simplify right side
54,237.75x = 6,959,188,373.06 - Step 5: Solve for x
x = 6,959,188,373.06/54,237.75 - Step 6: Final answer
x = 128,308.94
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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.