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Finding the Third Proportional to 113,790.50 and 163,911

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Solution

The third proportional to 113,790.50 and 163,911 is: 236,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,790.50 : 163,911 = 163,911 : x
  2. Step 2: Convert to fraction form
    113,790.50/163,911 = 163,911/x
  3. Step 3: Cross multiply
    113,790.50x = 163,911 × 163,911
  4. Step 4: Simplify right side
    113,790.50x = 26,866,815,921
  5. Step 5: Solve for x
    x = 26,866,815,921/113,790.50
  6. Step 6: Final answer
    x = 236,107.72

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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.