Finding the Third Proportional to 875,784 and 1,319,939
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Solution
The third proportional to 875,784 and 1,319,939 is: 1,989,347.79
Step by Step Solution
- Step 1: Write the proportion equation
875,784 : 1,319,939 = 1,319,939 : x - Step 2: Convert to fraction form
875,784/1,319,939 = 1,319,939/x - Step 3: Cross multiply
875,784x = 1,319,939 × 1,319,939 - Step 4: Simplify right side
875,784x = 1,742,238,963,721 - Step 5: Solve for x
x = 1,742,238,963,721/875,784 - Step 6: Final answer
x = 1,989,347.79
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.