Finding the Third Proportional to 7,657,658 and 11,855,739
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Solution
The third proportional to 7,657,658 and 11,855,739 is: 18,355,291.82
Step by Step Solution
- Step 1: Write the proportion equation
7,657,658 : 11,855,739 = 11,855,739 : x - Step 2: Convert to fraction form
7,657,658/11,855,739 = 11,855,739/x - Step 3: Cross multiply
7,657,658x = 11,855,739 × 11,855,739 - Step 4: Simplify right side
7,657,658x = 140,558,547,236,121 - Step 5: Solve for x
x = 140,558,547,236,121/7,657,658 - Step 6: Final answer
x = 18,355,291.82
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.