Finding the Third Proportional to 873,457 and 1,851,889
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Solution
The third proportional to 873,457 and 1,851,889 is: 3,926,344.25
Step by Step Solution
- Step 1: Write the proportion equation
873,457 : 1,851,889 = 1,851,889 : x - Step 2: Convert to fraction form
873,457/1,851,889 = 1,851,889/x - Step 3: Cross multiply
873,457x = 1,851,889 × 1,851,889 - Step 4: Simplify right side
873,457x = 3,429,492,868,321 - Step 5: Solve for x
x = 3,429,492,868,321/873,457 - Step 6: Final answer
x = 3,926,344.25
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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.