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Finding the Third Proportional to 40,435.13 and 87,742.13

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Solution

The third proportional to 40,435.13 and 87,742.13 is: 190,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,435.13 : 87,742.13 = 87,742.13 : x
  2. Step 2: Convert to fraction form
    40,435.13/87,742.13 = 87,742.13/x
  3. Step 3: Cross multiply
    40,435.13x = 87,742.13 × 87,742.13
  4. Step 4: Simplify right side
    40,435.13x = 7,698,680,499.52
  5. Step 5: Solve for x
    x = 7,698,680,499.52/40,435.13
  6. Step 6: Final answer
    x = 190,395.86

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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.