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Finding the Third Proportional to 177,288 and 266,113

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Solution

The third proportional to 177,288 and 266,113 is: 399,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,288 : 266,113 = 266,113 : x
  2. Step 2: Convert to fraction form
    177,288/266,113 = 266,113/x
  3. Step 3: Cross multiply
    177,288x = 266,113 × 266,113
  4. Step 4: Simplify right side
    177,288x = 70,816,128,769
  5. Step 5: Solve for x
    x = 70,816,128,769/177,288
  6. Step 6: Final answer
    x = 399,441.18

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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.