Finding the Third Proportional to 623,625.75 and 689,235.75
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Solution
The third proportional to 623,625.75 and 689,235.75 is: 761,748.40
Step by Step Solution
- Step 1: Write the proportion equation
623,625.75 : 689,235.75 = 689,235.75 : x - Step 2: Convert to fraction form
623,625.75/689,235.75 = 689,235.75/x - Step 3: Cross multiply
623,625.75x = 689,235.75 × 689,235.75 - Step 4: Simplify right side
623,625.75x = 475,045,919,078.06 - Step 5: Solve for x
x = 475,045,919,078.06/623,625.75 - Step 6: Final answer
x = 761,748.40
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These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.