Finding the Third Proportional to 156,943,134.56 and 258,423,339.09
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Solution
The third proportional to 156,943,134.56 and 258,423,339.09 is: 425,521,144.17
Step by Step Solution
- Step 1: Write the proportion equation
156,943,134.56 : 258,423,339.09 = 258,423,339.09 : x - Step 2: Convert to fraction form
156,943,134.56/258,423,339.09 = 258,423,339.09/x - Step 3: Cross multiply
156,943,134.56x = 258,423,339.09 × 258,423,339.09 - Step 4: Simplify right side
156,943,134.56x = 66,782,622,188,363,296 - Step 5: Solve for x
x = 66,782,622,188,363,296/156,943,134.56 - Step 6: Final answer
x = 425,521,144.17
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.