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Finding the Third Proportional to 133,166 and 288,508

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Solution

The third proportional to 133,166 and 288,508 is: 625,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,166 : 288,508 = 288,508 : x
  2. Step 2: Convert to fraction form
    133,166/288,508 = 288,508/x
  3. Step 3: Cross multiply
    133,166x = 288,508 × 288,508
  4. Step 4: Simplify right side
    133,166x = 83,236,866,064
  5. Step 5: Solve for x
    x = 83,236,866,064/133,166
  6. Step 6: Final answer
    x = 625,060.95

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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.