Finding the Third Proportional to 68,440,464 and 142,542,342
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Solution
The third proportional to 68,440,464 and 142,542,342 is: 296,875,825.72
Step by Step Solution
- Step 1: Write the proportion equation
68,440,464 : 142,542,342 = 142,542,342 : x - Step 2: Convert to fraction form
68,440,464/142,542,342 = 142,542,342/x - Step 3: Cross multiply
68,440,464x = 142,542,342 × 142,542,342 - Step 4: Simplify right side
68,440,464x = 20,318,319,262,844,964 - Step 5: Solve for x
x = 20,318,319,262,844,964/68,440,464 - Step 6: Final answer
x = 296,875,825.72
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.