Finding the Third Proportional to 668,439 and 1,391,953
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Solution
The third proportional to 668,439 and 1,391,953 is: 2,898,593.82
Step by Step Solution
- Step 1: Write the proportion equation
668,439 : 1,391,953 = 1,391,953 : x - Step 2: Convert to fraction form
668,439/1,391,953 = 1,391,953/x - Step 3: Cross multiply
668,439x = 1,391,953 × 1,391,953 - Step 4: Simplify right side
668,439x = 1,937,533,154,209 - Step 5: Solve for x
x = 1,937,533,154,209/668,439 - Step 6: Final answer
x = 2,898,593.82
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.