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Finding the Third Proportional to 360,531 and 522,207

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Solution

The third proportional to 360,531 and 522,207 is: 756,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,531 : 522,207 = 522,207 : x
  2. Step 2: Convert to fraction form
    360,531/522,207 = 522,207/x
  3. Step 3: Cross multiply
    360,531x = 522,207 × 522,207
  4. Step 4: Simplify right side
    360,531x = 272,700,150,849
  5. Step 5: Solve for x
    x = 272,700,150,849/360,531
  6. Step 6: Final answer
    x = 756,384.75

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.