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Finding the Third Proportional to 190,710 and 266,751

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Solution

The third proportional to 190,710 and 266,751 is: 373,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,710 : 266,751 = 266,751 : x
  2. Step 2: Convert to fraction form
    190,710/266,751 = 266,751/x
  3. Step 3: Cross multiply
    190,710x = 266,751 × 266,751
  4. Step 4: Simplify right side
    190,710x = 71,156,096,001
  5. Step 5: Solve for x
    x = 71,156,096,001/190,710
  6. Step 6: Final answer
    x = 373,111.51

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.