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Finding the Third Proportional to 18,740.13 and 40,259.13

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Solution

The third proportional to 18,740.13 and 40,259.13 is: 86,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.13 : 40,259.13 = 40,259.13 : x
  2. Step 2: Convert to fraction form
    18,740.13/40,259.13 = 40,259.13/x
  3. Step 3: Cross multiply
    18,740.13x = 40,259.13 × 40,259.13
  4. Step 4: Simplify right side
    18,740.13x = 1,620,797,145.77
  5. Step 5: Solve for x
    x = 1,620,797,145.77/18,740.13
  6. Step 6: Final answer
    x = 86,488.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.