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Finding the Third Proportional to 172,108.88 and 372,810.75

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Solution

The third proportional to 172,108.88 and 372,810.75 is: 807,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,108.88 : 372,810.75 = 372,810.75 : x
  2. Step 2: Convert to fraction form
    172,108.88/372,810.75 = 372,810.75/x
  3. Step 3: Cross multiply
    172,108.88x = 372,810.75 × 372,810.75
  4. Step 4: Simplify right side
    172,108.88x = 138,987,855,315.56
  5. Step 5: Solve for x
    x = 138,987,855,315.56/172,108.88
  6. Step 6: Final answer
    x = 807,557.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.