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Finding the Third Proportional to 118,720.69 and 259,956.84

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Solution

The third proportional to 118,720.69 and 259,956.84 is: 569,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,720.69 : 259,956.84 = 259,956.84 : x
  2. Step 2: Convert to fraction form
    118,720.69/259,956.84 = 259,956.84/x
  3. Step 3: Cross multiply
    118,720.69x = 259,956.84 × 259,956.84
  4. Step 4: Simplify right side
    118,720.69x = 67,577,560,612.46
  5. Step 5: Solve for x
    x = 67,577,560,612.46/118,720.69
  6. Step 6: Final answer
    x = 569,214.70

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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.