Finding the Third Proportional to 387,895,509 and 861,884,586
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Solution
The third proportional to 387,895,509 and 861,884,586 is: 1,915,064,810.88
Step by Step Solution
- Step 1: Write the proportion equation
387,895,509 : 861,884,586 = 861,884,586 : x - Step 2: Convert to fraction form
387,895,509/861,884,586 = 861,884,586/x - Step 3: Cross multiply
387,895,509x = 861,884,586 × 861,884,586 - Step 4: Simplify right side
387,895,509x = 742,845,039,584,391,424 - Step 5: Solve for x
x = 742,845,039,584,391,424/387,895,509 - Step 6: Final answer
x = 1,915,064,810.88
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.