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Finding the Third Proportional to 179,630 and 261,537

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Solution

The third proportional to 179,630 and 261,537 is: 380,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,630 : 261,537 = 261,537 : x
  2. Step 2: Convert to fraction form
    179,630/261,537 = 261,537/x
  3. Step 3: Cross multiply
    179,630x = 261,537 × 261,537
  4. Step 4: Simplify right side
    179,630x = 68,401,602,369
  5. Step 5: Solve for x
    x = 68,401,602,369/179,630
  6. Step 6: Final answer
    x = 380,791.64

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.