Finding the Third Proportional to 485,643 and 1,030,461
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Solution
The third proportional to 485,643 and 1,030,461 is: 2,186,482.40
Step by Step Solution
- Step 1: Write the proportion equation
485,643 : 1,030,461 = 1,030,461 : x - Step 2: Convert to fraction form
485,643/1,030,461 = 1,030,461/x - Step 3: Cross multiply
485,643x = 1,030,461 × 1,030,461 - Step 4: Simplify right side
485,643x = 1,061,849,872,521 - Step 5: Solve for x
x = 1,061,849,872,521/485,643 - Step 6: Final answer
x = 2,186,482.40
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.