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Finding the Third Proportional to 20,415 and 44,070

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Solution

The third proportional to 20,415 and 44,070 is: 95,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415 : 44,070 = 44,070 : x
  2. Step 2: Convert to fraction form
    20,415/44,070 = 44,070/x
  3. Step 3: Cross multiply
    20,415x = 44,070 × 44,070
  4. Step 4: Simplify right side
    20,415x = 1,942,164,900
  5. Step 5: Solve for x
    x = 1,942,164,900/20,415
  6. Step 6: Final answer
    x = 95,134.21

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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.