Finding the Third Proportional to 420,406.50 and 651,265.50
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Solution
The third proportional to 420,406.50 and 651,265.50 is: 1,008,896.75
Step by Step Solution
- Step 1: Write the proportion equation
420,406.50 : 651,265.50 = 651,265.50 : x - Step 2: Convert to fraction form
420,406.50/651,265.50 = 651,265.50/x - Step 3: Cross multiply
420,406.50x = 651,265.50 × 651,265.50 - Step 4: Simplify right side
420,406.50x = 424,146,751,490.25 - Step 5: Solve for x
x = 424,146,751,490.25/420,406.50 - Step 6: Final answer
x = 1,008,896.75
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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.