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Finding the Third Proportional to 75,256.50 and 116,590.50

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Solution

The third proportional to 75,256.50 and 116,590.50 is: 180,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,256.50 : 116,590.50 = 116,590.50 : x
  2. Step 2: Convert to fraction form
    75,256.50/116,590.50 = 116,590.50/x
  3. Step 3: Cross multiply
    75,256.50x = 116,590.50 × 116,590.50
  4. Step 4: Simplify right side
    75,256.50x = 13,593,344,690.25
  5. Step 5: Solve for x
    x = 13,593,344,690.25/75,256.50
  6. Step 6: Final answer
    x = 180,626.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.