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Finding the Third Proportional to 117,310 and 255,573

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Solution

The third proportional to 117,310 and 255,573 is: 556,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,310 : 255,573 = 255,573 : x
  2. Step 2: Convert to fraction form
    117,310/255,573 = 255,573/x
  3. Step 3: Cross multiply
    117,310x = 255,573 × 255,573
  4. Step 4: Simplify right side
    117,310x = 65,317,558,329
  5. Step 5: Solve for x
    x = 65,317,558,329/117,310
  6. Step 6: Final answer
    x = 556,794.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.