Finding the Third Proportional to 420,403.50 and 652,749.75
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Solution
The third proportional to 420,403.50 and 652,749.75 is: 1,013,507.82
Step by Step Solution
- Step 1: Write the proportion equation
420,403.50 : 652,749.75 = 652,749.75 : x - Step 2: Convert to fraction form
420,403.50/652,749.75 = 652,749.75/x - Step 3: Cross multiply
420,403.50x = 652,749.75 × 652,749.75 - Step 4: Simplify right side
420,403.50x = 426,082,236,125.06 - Step 5: Solve for x
x = 426,082,236,125.06/420,403.50 - Step 6: Final answer
x = 1,013,507.82
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.