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Finding the Third Proportional to 112,159.69 and 172,396.69

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Solution

The third proportional to 112,159.69 and 172,396.69 is: 264,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,159.69 : 172,396.69 = 172,396.69 : x
  2. Step 2: Convert to fraction form
    112,159.69/172,396.69 = 172,396.69/x
  3. Step 3: Cross multiply
    112,159.69x = 172,396.69 × 172,396.69
  4. Step 4: Simplify right side
    112,159.69x = 29,720,617,860.97
  5. Step 5: Solve for x
    x = 29,720,617,860.97/112,159.69
  6. Step 6: Final answer
    x = 264,984.85

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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.