Finding the Third Proportional to 58,221.75 and 90,177.75
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Solution
The third proportional to 58,221.75 and 90,177.75 is: 139,673.35
Step by Step Solution
- Step 1: Write the proportion equation
58,221.75 : 90,177.75 = 90,177.75 : x - Step 2: Convert to fraction form
58,221.75/90,177.75 = 90,177.75/x - Step 3: Cross multiply
58,221.75x = 90,177.75 × 90,177.75 - Step 4: Simplify right side
58,221.75x = 8,132,026,595.06 - Step 5: Solve for x
x = 8,132,026,595.06/58,221.75 - Step 6: Final answer
x = 139,673.35
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.