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Finding the Third Proportional to 118,216 and 177,446

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Solution

The third proportional to 118,216 and 177,446 is: 266,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,216 : 177,446 = 177,446 : x
  2. Step 2: Convert to fraction form
    118,216/177,446 = 177,446/x
  3. Step 3: Cross multiply
    118,216x = 177,446 × 177,446
  4. Step 4: Simplify right side
    118,216x = 31,487,082,916
  5. Step 5: Solve for x
    x = 31,487,082,916/118,216
  6. Step 6: Final answer
    x = 266,352.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.