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Finding the Third Proportional to 133,262 and 288,668

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Solution

The third proportional to 133,262 and 288,668 is: 625,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,262 : 288,668 = 288,668 : x
  2. Step 2: Convert to fraction form
    133,262/288,668 = 288,668/x
  3. Step 3: Cross multiply
    133,262x = 288,668 × 288,668
  4. Step 4: Simplify right side
    133,262x = 83,329,214,224
  5. Step 5: Solve for x
    x = 83,329,214,224/133,262
  6. Step 6: Final answer
    x = 625,303.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.