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Finding the Third Proportional to 119,074.13 and 256,843.69

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Solution

The third proportional to 119,074.13 and 256,843.69 is: 554,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,074.13 : 256,843.69 = 256,843.69 : x
  2. Step 2: Convert to fraction form
    119,074.13/256,843.69 = 256,843.69/x
  3. Step 3: Cross multiply
    119,074.13x = 256,843.69 × 256,843.69
  4. Step 4: Simplify right side
    119,074.13x = 65,968,679,808.60
  5. Step 5: Solve for x
    x = 65,968,679,808.60/119,074.13
  6. Step 6: Final answer
    x = 554,013.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.