Finding the Third Proportional to 153,454.50 and 206,421.75
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Solution
The third proportional to 153,454.50 and 206,421.75 is: 277,671.48
Step by Step Solution
- Step 1: Write the proportion equation
153,454.50 : 206,421.75 = 206,421.75 : x - Step 2: Convert to fraction form
153,454.50/206,421.75 = 206,421.75/x - Step 3: Cross multiply
153,454.50x = 206,421.75 × 206,421.75 - Step 4: Simplify right side
153,454.50x = 42,609,938,873.06 - Step 5: Solve for x
x = 42,609,938,873.06/153,454.50 - Step 6: Final answer
x = 277,671.48
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.