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Finding the Third Proportional to 18,260.60 and 39,870.04

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Solution

The third proportional to 18,260.60 and 39,870.04 is: 87,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.60 : 39,870.04 = 39,870.04 : x
  2. Step 2: Convert to fraction form
    18,260.60/39,870.04 = 39,870.04/x
  3. Step 3: Cross multiply
    18,260.60x = 39,870.04 × 39,870.04
  4. Step 4: Simplify right side
    18,260.60x = 1,589,619,703.36
  5. Step 5: Solve for x
    x = 1,589,619,703.36/18,260.60
  6. Step 6: Final answer
    x = 87,051.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.