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Finding the Third Proportional to 118,139.77 and 259,244.30

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Solution

The third proportional to 118,139.77 and 259,244.30 is: 568,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,139.77 : 259,244.30 = 259,244.30 : x
  2. Step 2: Convert to fraction form
    118,139.77/259,244.30 = 259,244.30/x
  3. Step 3: Cross multiply
    118,139.77x = 259,244.30 × 259,244.30
  4. Step 4: Simplify right side
    118,139.77x = 67,207,605,462.21
  5. Step 5: Solve for x
    x = 67,207,605,462.21/118,139.77
  6. Step 6: Final answer
    x = 568,882.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.