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Finding the Third Proportional to 75,339.50 and 116,730.50

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Solution

The third proportional to 75,339.50 and 116,730.50 is: 180,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,339.50 : 116,730.50 = 116,730.50 : x
  2. Step 2: Convert to fraction form
    75,339.50/116,730.50 = 116,730.50/x
  3. Step 3: Cross multiply
    75,339.50x = 116,730.50 × 116,730.50
  4. Step 4: Simplify right side
    75,339.50x = 13,626,009,630.25
  5. Step 5: Solve for x
    x = 13,626,009,630.25/75,339.50
  6. Step 6: Final answer
    x = 180,861.43

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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.