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Finding the Third Proportional to 43,515 and 65,110

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Solution

The third proportional to 43,515 and 65,110 is: 97,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,515 : 65,110 = 65,110 : x
  2. Step 2: Convert to fraction form
    43,515/65,110 = 65,110/x
  3. Step 3: Cross multiply
    43,515x = 65,110 × 65,110
  4. Step 4: Simplify right side
    43,515x = 4,239,312,100
  5. Step 5: Solve for x
    x = 4,239,312,100/43,515
  6. Step 6: Final answer
    x = 97,421.86

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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.