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Finding the Third Proportional to 187,388 and 267,066

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Solution

The third proportional to 187,388 and 267,066 is: 380,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,388 : 267,066 = 267,066 : x
  2. Step 2: Convert to fraction form
    187,388/267,066 = 267,066/x
  3. Step 3: Cross multiply
    187,388x = 267,066 × 267,066
  4. Step 4: Simplify right side
    187,388x = 71,324,248,356
  5. Step 5: Solve for x
    x = 71,324,248,356/187,388
  6. Step 6: Final answer
    x = 380,623.35

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.