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Finding the Third Proportional to 74,449.13 and 110,215.69

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Solution

The third proportional to 74,449.13 and 110,215.69 is: 163,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449.13 : 110,215.69 = 110,215.69 : x
  2. Step 2: Convert to fraction form
    74,449.13/110,215.69 = 110,215.69/x
  3. Step 3: Cross multiply
    74,449.13x = 110,215.69 × 110,215.69
  4. Step 4: Simplify right side
    74,449.13x = 12,147,497,771.10
  5. Step 5: Solve for x
    x = 12,147,497,771.10/74,449.13
  6. Step 6: Final answer
    x = 163,165.08

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.