Finding the Third Proportional to 422,346 and 910,707
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Solution
The third proportional to 422,346 and 910,707 is: 1,963,762.51
Step by Step Solution
- Step 1: Write the proportion equation
422,346 : 910,707 = 910,707 : x - Step 2: Convert to fraction form
422,346/910,707 = 910,707/x - Step 3: Cross multiply
422,346x = 910,707 × 910,707 - Step 4: Simplify right side
422,346x = 829,387,239,849 - Step 5: Solve for x
x = 829,387,239,849/422,346 - Step 6: Final answer
x = 1,963,762.51
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.