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Finding the Third Proportional to 90,078.75 and 134,614.13

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Solution

The third proportional to 90,078.75 and 134,614.13 is: 201,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,078.75 : 134,614.13 = 134,614.13 : x
  2. Step 2: Convert to fraction form
    90,078.75/134,614.13 = 134,614.13/x
  3. Step 3: Cross multiply
    90,078.75x = 134,614.13 × 134,614.13
  4. Step 4: Simplify right side
    90,078.75x = 18,120,962,649.52
  5. Step 5: Solve for x
    x = 18,120,962,649.52/90,078.75
  6. Step 6: Final answer
    x = 201,168.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.