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Finding the Third Proportional to 157,939.88 and 372,843

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Solution

The third proportional to 157,939.88 and 372,843 is: 880,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,939.88 : 372,843 = 372,843 : x
  2. Step 2: Convert to fraction form
    157,939.88/372,843 = 372,843/x
  3. Step 3: Cross multiply
    157,939.88x = 372,843 × 372,843
  4. Step 4: Simplify right side
    157,939.88x = 139,011,902,649
  5. Step 5: Solve for x
    x = 139,011,902,649/157,939.88
  6. Step 6: Final answer
    x = 880,157.10

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.