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Finding the Third Proportional to 62,415 and 134,670

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Solution

The third proportional to 62,415 and 134,670 is: 290,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,415 : 134,670 = 134,670 : x
  2. Step 2: Convert to fraction form
    62,415/134,670 = 134,670/x
  3. Step 3: Cross multiply
    62,415x = 134,670 × 134,670
  4. Step 4: Simplify right side
    62,415x = 18,136,008,900
  5. Step 5: Solve for x
    x = 18,136,008,900/62,415
  6. Step 6: Final answer
    x = 290,571.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.