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Finding the Third Proportional to 77,761.50 and 116,713

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Solution

The third proportional to 77,761.50 and 116,713 is: 175,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,761.50 : 116,713 = 116,713 : x
  2. Step 2: Convert to fraction form
    77,761.50/116,713 = 116,713/x
  3. Step 3: Cross multiply
    77,761.50x = 116,713 × 116,713
  4. Step 4: Simplify right side
    77,761.50x = 13,621,924,369
  5. Step 5: Solve for x
    x = 13,621,924,369/77,761.50
  6. Step 6: Final answer
    x = 175,175.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.