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Finding the Third Proportional to 12,660.68 and 27,485.58

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Solution

The third proportional to 12,660.68 and 27,485.58 is: 59,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.68 : 27,485.58 = 27,485.58 : x
  2. Step 2: Convert to fraction form
    12,660.68/27,485.58 = 27,485.58/x
  3. Step 3: Cross multiply
    12,660.68x = 27,485.58 × 27,485.58
  4. Step 4: Simplify right side
    12,660.68x = 755,457,004.87
  5. Step 5: Solve for x
    x = 755,457,004.87/12,660.68
  6. Step 6: Final answer
    x = 59,669.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.