Finding the Third Proportional to 4,130,070 and 8,857,740
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Solution
The third proportional to 4,130,070 and 8,857,740 is: 18,997,149.66
Step by Step Solution
- Step 1: Write the proportion equation
4,130,070 : 8,857,740 = 8,857,740 : x - Step 2: Convert to fraction form
4,130,070/8,857,740 = 8,857,740/x - Step 3: Cross multiply
4,130,070x = 8,857,740 × 8,857,740 - Step 4: Simplify right side
4,130,070x = 78,459,557,907,600 - Step 5: Solve for x
x = 78,459,557,907,600/4,130,070 - Step 6: Final answer
x = 18,997,149.66
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.