Finding the Third Proportional to 485,761.50 and 679,281.75
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Solution
The third proportional to 485,761.50 and 679,281.75 is: 949,897.63
Step by Step Solution
- Step 1: Write the proportion equation
485,761.50 : 679,281.75 = 679,281.75 : x - Step 2: Convert to fraction form
485,761.50/679,281.75 = 679,281.75/x - Step 3: Cross multiply
485,761.50x = 679,281.75 × 679,281.75 - Step 4: Simplify right side
485,761.50x = 461,423,695,883.06 - Step 5: Solve for x
x = 461,423,695,883.06/485,761.50 - Step 6: Final answer
x = 949,897.63
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.