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Finding the Third Proportional to 250,286.63 and 518,316

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Solution

The third proportional to 250,286.63 and 518,316 is: 1,073,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,286.63 : 518,316 = 518,316 : x
  2. Step 2: Convert to fraction form
    250,286.63/518,316 = 518,316/x
  3. Step 3: Cross multiply
    250,286.63x = 518,316 × 518,316
  4. Step 4: Simplify right side
    250,286.63x = 268,651,475,856
  5. Step 5: Solve for x
    x = 268,651,475,856/250,286.63
  6. Step 6: Final answer
    x = 1,073,375.28

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.