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Finding the Third Proportional to 512,239 and 751,751

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Solution

The third proportional to 512,239 and 751,751 is: 1,103,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,239 : 751,751 = 751,751 : x
  2. Step 2: Convert to fraction form
    512,239/751,751 = 751,751/x
  3. Step 3: Cross multiply
    512,239x = 751,751 × 751,751
  4. Step 4: Simplify right side
    512,239x = 565,129,566,001
  5. Step 5: Solve for x
    x = 565,129,566,001/512,239
  6. Step 6: Final answer
    x = 1,103,253.69

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.