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Finding the Third Proportional to 112,276.13 and 169,579.13

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Solution

The third proportional to 112,276.13 and 169,579.13 is: 256,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,276.13 : 169,579.13 = 169,579.13 : x
  2. Step 2: Convert to fraction form
    112,276.13/169,579.13 = 169,579.13/x
  3. Step 3: Cross multiply
    112,276.13x = 169,579.13 × 169,579.13
  4. Step 4: Simplify right side
    112,276.13x = 28,757,079,635.77
  5. Step 5: Solve for x
    x = 28,757,079,635.77/112,276.13
  6. Step 6: Final answer
    x = 256,128.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.