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Finding the Third Proportional to 112,165.50 and 172,405.13

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Solution

The third proportional to 112,165.50 and 172,405.13 is: 264,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165.50 : 172,405.13 = 172,405.13 : x
  2. Step 2: Convert to fraction form
    112,165.50/172,405.13 = 172,405.13/x
  3. Step 3: Cross multiply
    112,165.50x = 172,405.13 × 172,405.13
  4. Step 4: Simplify right side
    112,165.50x = 29,723,527,126.27
  5. Step 5: Solve for x
    x = 29,723,527,126.27/112,165.50
  6. Step 6: Final answer
    x = 264,997.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.