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Finding the Third Proportional to 66,961.13 and 101,305.69

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Solution

The third proportional to 66,961.13 and 101,305.69 is: 153,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961.13 : 101,305.69 = 101,305.69 : x
  2. Step 2: Convert to fraction form
    66,961.13/101,305.69 = 101,305.69/x
  3. Step 3: Cross multiply
    66,961.13x = 101,305.69 × 101,305.69
  4. Step 4: Simplify right side
    66,961.13x = 10,262,842,319.85
  5. Step 5: Solve for x
    x = 10,262,842,319.85/66,961.13
  6. Step 6: Final answer
    x = 153,265.68

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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.