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Finding the Third Proportional to 75,866.63 and 109,289.25

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Solution

The third proportional to 75,866.63 and 109,289.25 is: 157,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,866.63 : 109,289.25 = 109,289.25 : x
  2. Step 2: Convert to fraction form
    75,866.63/109,289.25 = 109,289.25/x
  3. Step 3: Cross multiply
    75,866.63x = 109,289.25 × 109,289.25
  4. Step 4: Simplify right side
    75,866.63x = 11,944,140,165.56
  5. Step 5: Solve for x
    x = 11,944,140,165.56/75,866.63
  6. Step 6: Final answer
    x = 157,436.03

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.