Finding the Third Proportional to 8,489,848.78 and 13,239,228.09
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Solution
The third proportional to 8,489,848.78 and 13,239,228.09 is: 20,645,498.53
Step by Step Solution
- Step 1: Write the proportion equation
8,489,848.78 : 13,239,228.09 = 13,239,228.09 : x - Step 2: Convert to fraction form
8,489,848.78/13,239,228.09 = 13,239,228.09/x - Step 3: Cross multiply
8,489,848.78x = 13,239,228.09 × 13,239,228.09 - Step 4: Simplify right side
8,489,848.78x = 175,277,160,518,339.25 - Step 5: Solve for x
x = 175,277,160,518,339.25/8,489,848.78 - Step 6: Final answer
x = 20,645,498.53
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.