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Finding the Third Proportional to 70,224 and 106,230

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Solution

The third proportional to 70,224 and 106,230 is: 160,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,224 : 106,230 = 106,230 : x
  2. Step 2: Convert to fraction form
    70,224/106,230 = 106,230/x
  3. Step 3: Cross multiply
    70,224x = 106,230 × 106,230
  4. Step 4: Simplify right side
    70,224x = 11,284,812,900
  5. Step 5: Solve for x
    x = 11,284,812,900/70,224
  6. Step 6: Final answer
    x = 160,697.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.